Christopher Percival

40 individuals named Christopher Percival found in 28 states. Most people reside in California, Indiana, New York.

Last updated Feb 24, 2024

Public information about Christopher Percival

Phones & Addresses

Name

Addresses

Phones

Christopher L Percival

10711 S Broadway Ave, Oklahoma City, OK 73170

Christopher L Percival

1108 Kennedy Ave, Edmond, OK 73034

Christopher R. Percival

Fort Lauderdale, FL

954-680-3581

Christopher L Percival

1404 SW 37Th St, Oklahoma City, OK 73119

Christopher L Percival

2017 Bella Vista Dr, Edmond, OK 73013

405-330-1116

Christopher A Percival

7181 Santa Isabel Cir, Buena Park, CA 90620

Christopher L Percival

204 E 31St St, Edmond, OK 73013

405-844-4097

Christopher L Percival

2060 Donnell Dr, Choctaw, OK 73020

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Publications

Us Patents

Method And Apparatus For Determining The Optical Properties Of A Lens

US Patent:

5301004, Apr 5, 1994

Filed:

Mar 13, 1992

Appl. No.:

7/850890

Inventors:

Christopher J. Percival - Williamsville NY
David A. Luce - Clarence Center NY

Assignee:

Leica Inc. - Buffalo NY

International Classification:

G01B 900

US Classification:

356125

Abstract:

Optical properties of a lens, including localized defects, are determined by analyzing the refracted image produced by transmitting a beam of light through an aperture and a lens to be tested. The image is reflected onto a light sensitive detecting surface. Information obtained from the light detecting surface is digitized and sent to an Image Processing Unit which calculates the optical properties of the lens. The aperture may consist of a single shaped opening or alternatively a plurality of concentric, annular rings. Correction lenses may be employed, either permanently or selectively, to alter the refracted beam before the beam intersects the detecting surface.

Instructive Display For Assisting In Centering An Optical Path Element On A Path

US Patent:

5446274, Aug 29, 1995

Filed:

Feb 22, 1994

Appl. No.:

8/199703

Inventors:

David A. Luce - Clarence Center NY
Christopher J. Percival - Williamsville NY

Assignee:

Leica Inc. - Depew NY

International Classification:

G01J 120

US Classification:

2502062

Abstract:

A polar or vector display provides an operator of an optical instrument with a symbolic instruction regarding the direction and amount of motion required to center an optical element on a chosen path.

Hand-Held Non-Contact Tonometer

US Patent:

6623429, Sep 23, 2003

Filed:

Nov 6, 2001

Appl. No.:

09/992875

Inventors:

Christopher J. Percival - Williamsville NY
Douglas H. Hoover - Corfu NY
David A. Luce - Clarence Center NY

Assignee:

Reichert, Inc. - Depew NY

International Classification:

A61B 316

US Classification:

600399, 600561

Abstract:

A hand-held non-contact tonometer comprises a housing having a handle portion for enclosing a rechargeable D. C. power source and an upper head portion for enclosing alignment and tonometric measurement systems of the tonometer. An operator can directly view the patients eye along an optical axis extending through the head portion of the housing, and an instructional display image is superimposed with the directly viewed image of the eye to guide the operator in X-Y-Z alignment based on data supplied by an afocal position detection system. A transceiver for wireless data exchange and a recharging support stand are also provided.

Lensmeter Accessory

US Patent:

5602640, Feb 11, 1997

Filed:

Jun 22, 1995

Appl. No.:

8/493559

Inventors:

Christopher J. Percival - Williamsville NY

Assignee:

Leica Inc. - Depew NY

International Classification:

G01N 2101

US Classification:

356244

Abstract:

A lensmeter accessory is disclosed for supporting and positioning a corneal contact lens in a light path of a lensmeter. The accessory comprises a generally planer body with a tapered slot therein having a slot wall defining a recessed groove for receiving and removably holding a contact lens. The accessory may be placed on an adjustable lens platform of a lensmeter to position the contact lens in the lensmeter light path.

Lensmeter

US Patent:

D369112, Apr 23, 1996

Filed:

Dec 9, 1994

Appl. No.:

D/031945

Inventors:

David A. Luce - Clarence Center NY
Christopher J. Percival - Williamsville NY
Paul J. Klock - Rochester NY

Assignee:

Leica Inc. - Depew NY

US Classification:

D10 46

Alignment System For An Ophthalmic Instrument

US Patent:

6669340, Dec 30, 2003

Filed:

Nov 6, 2001

Appl. No.:

09/992756

Inventors:

Christopher J. Percival - Williamsville NY
Douglas H. Hoover - Corfu NY

Assignee:

Reichert, Inc. - Depew NY

International Classification:

A61B 314

US Classification:

351208

Abstract:

An alignment system for an ophthalmic instrument comprises an optical axis along which an operator can directly view the patients eye and the patient can fixate on a dark fixation target surrounded by a bright background that helps to illuminate the eye for operator viewing. A position detection system utilizing stored geometrical relationships determined by multiple regression during instrument calibration computes X-Y-Z alignment status of the instrument relative to a patients eye based on local x-y position information from a pair of lateral detectors receiving corneally reflected light from a corresponding pair of lateral light sources. A heads-up display image is provided along an optical axis of the instrument for supplying instructive cues to an operator for moving the instrument to achieve alignment based on signal information from the position detection system, whereby the operator sees both a direct macro-image of the patients eye and the display image. The alignment system is particularly suitable for use in hand-held ophthalmic instruments.

Afocal Position Detection System And Ophthalmic Instrument Employing Said System

US Patent:

6749302, Jun 15, 2004

Filed:

Nov 6, 2001

Appl. No.:

09/992497

Inventors:

Christopher J. Percival - Williamsville NY
Douglas H. Hoover - Corfu NY

Assignee:

Reichert, Inc. - Depew NY

International Classification:

A61B 314

US Classification:

351208, 351209, 351210, 351246, 600399

Abstract:

A fast position detection system and related method for an ophthalmic instrument utilize stored geometrical relationships determined by multiple regression during instrument calibration to compute X-Y-Z alignment status of the instrument relative to a patients eye based on local x-y position information from a pair of lateral detectors receiving corneally reflected light from a corresponding pair of lateral light sources. In a preferred embodiment, the lateral detectors are quad-cell detectors. A heads-up display image is preferably provided along an optical axis of the instrument for supplying instructive cues to an operator for moving the instrument to achieve alignment, whereby the operator sees both a macro-image of the patients eye and the display image. The speed of the position detection system makes it particularly suitable for use in hand-held ophthalmic instruments.

Cellular Mobile Telephone System And Method

US Patent:

4829554, May 9, 1989

Filed:

Jan 31, 1985

Appl. No.:

6/697067

Inventors:

Michael Barnes - Mendon NY
Kenneth L. Hagstrom - Fairport NY
David F. Hayes - Webster NY
George Helm - Fairport NY
Anthony Keane - Penfield NY
Roger Pawlowski - Rochester NY
Christopher Percival - Rochester NY
Peter J. Poggi - Webster NY
Richard E. Rzepkowski - Rochester NY
William Skiba - Rochester NY

Assignee:

Harris Corporation - Melbourne FL

International Classification:

H01Q 704

US Classification:

379 58

Abstract:

A cellular mobile telephone system and method in which channel assignment and telephone call routing are controlled by a central control station and in which each communications channel is separately controlled at a cell station by a radio interface module ("RIM") associated therewith. Flexibility and security from operational interruptions is provided by dynamic assignment of identical RIMs to monitoring, paging, control and communication functions at the cell station. The system is modular and may be customized to accommodate geographic and demographic considerations, while permitting expansion and modification without obsolescence. The system also includes novel, self-diagnostic testing loops and methods. A novel mobile telephone is also disclosed.

Videos & Images

What is Christopher Percival date of birth?

Christopher Percival was born on 1957.

What is Christopher Percival's email?

Christopher Percival has such email addresses: kristin.perci***@earthlink.net, hotsau***@aol.com, ron_l***@yahoo.com, christopher***@webtv.com. Note that the accuracy of these emails may vary and they are subject to privacy laws and restrictions.

What is Christopher Percival's telephone number?

Christopher Percival's known telephone numbers are: 954-680-3581, 904-788-0995, 386-322-8175, 623-399-9326, 207-948-3168, 973-984-1005. However, these numbers are subject to change and privacy restrictions.

How is Christopher Percival also known?

Christopher Percival is also known as: Christopher Percival, Christopher R Percival, Christopher K Percival, Chrisl Percival, Chris L Percival, Cris L Percival, Christopher L Perciv. These names can be aliases, nicknames, or other names they have used.

Who is Christopher Percival related to?

Known relatives of Christopher Percival are: Juan Ramirez, Maria Ramirez, Marta Hernandez, Anthony Morray. This information is based on available public records.

What are Christopher Percival's alternative names?

Known alternative names for Christopher Percival are: Juan Ramirez, Maria Ramirez, Marta Hernandez, Anthony Morray. These can be aliases, maiden names, or nicknames.

What is Christopher Percival's current residential address?

Christopher Percival's current known residential address is: 127 W Rancho Rd, Corona, CA 92882. Please note this is subject to privacy laws and may not be current.

Possible Relatives

David Percival Deborah Percival Daniel Percival Donald Percival Douglas Percival Edward Percival Elizabeth Percival Christopher Last Christopher Stamps Christopher Stanberry