Christopher J. Percival

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Williamsville, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Afocal position detection system and ophthalmic instrument employin...
- Patent number 6,749,302
- Issue date Jun 15, 2004
- Reichert, Inc.
- Christopher J. Percival
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Alignment system for an ophthalmic instrument
- Patent number 6,669,340
- Issue date Dec 30, 2003
- Reichert, Inc.
- Christopher J. Percival
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hand-held non-contact tonometer
- Patent number 6,623,429
- Issue date Sep 23, 2003
- Reichert, Inc.
- Christopher J. Percival
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Lensmeter accessory
- Patent number 5,602,640
- Issue date Feb 11, 1997
- Leica Inc.
- Christopher J. Percival
- G01 - MEASURING TESTING
Information Patent Grant
Lensmeter
- Patent number D369112
- Issue date Apr 23, 1996
- Leica Inc.
- David A. Luce
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Instructive display for assisting in centering an optical path elem...
- Patent number 5,446,274
- Issue date Aug 29, 1995
- Leica Inc.
- David A. Luce
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for determining the optical properties of a lens
- Patent number 5,301,004
- Issue date Apr 5, 1994
- Leica Inc.
- Christopher J. Percival
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Alignment system for an ophthalmic instrument
- Publication number 20030086059
- Publication date May 8, 2003
- Leica Microsystems Inc.
- Christopher J. Percival
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Afocal position detection system and ophthalmic instrument employin...
- Publication number 20030086058
- Publication date May 8, 2003
- Leica Microsystems Inc.
- Christopher J. Percival
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Hand-held non-contact tonometer
- Publication number 20030088169
- Publication date May 8, 2003
- Leica Microsystems Inc.
- Christopher J. Percival
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE