Trefford Simpson

Follow

Person

Waterloo, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Identification of contact lens wearers predisposed to contact lens...
- Patent number 11,317,797
- Issue date May 3, 2022
- Indiana University Research and Technology Corporation
- Ping Situ
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of calibrating a biometric device
- Patent number 8,485,016
- Issue date Jul 16, 2013
- Trefford Simpson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus and method for measuring a hue of a predetermined primary...
- Patent number 6,926,407
- Issue date Aug 9, 2005
- Trefford Simpson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
PNEUMATIC ESTHESIOMETER WITH GAS PULSE-CONDITIONER
- Publication number 20230057998
- Publication date Feb 23, 2023
- THE TRUSTEES OF INDIANA UNIVERSITY
- Ping SITU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR ASSESSING THE EFFICACY OF TREATMENTS FOR DRY EYE
- Publication number 20220218195
- Publication date Jul 14, 2022
- THE TRUSTEES OF INDIANA UNIVERSITY
- Carolyn G. BEGLEY
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
IDENTIFICATION OF CONTACT LENS WEARERS PREDISPOSED TO CONTACT LENS...
- Publication number 20190000312
- Publication date Jan 3, 2019
- Indiana University Research and Technology Corporation
- Ping Situ
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method of calibrating a biometric device
- Publication number 20090163796
- Publication date Jun 25, 2009
- Trefford Simpson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Apparatus and method for measuring a hue of a predetermined primary...
- Publication number 20040001203
- Publication date Jan 1, 2004
- Trefford Simpson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE