Stephen R. Phillips

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Walnut Creek, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Waveguide security device
- Patent number 5,881,196
- Issue date Mar 9, 1999
- Stephen Phillips
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Display apparatus using thermochromic material
- Patent number 5,202,677
- Issue date Apr 13, 1993
- Crystal Images, Inc.
- Robert Parker
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Sensors for detecting electromagnetic parameters utilizing resonati...
- Patent number 4,897,541
- Issue date Jan 30, 1990
- Luxtron Corporation
- Stephen R. Phillips
- G01 - MEASURING TESTING
Information Patent Grant
Optical sensors for detecting physical parameters utilizing vibrati...
- Patent number 4,678,905
- Issue date Jul 7, 1987
- Luxtron Corporation
- Stephen R. Phillips
- G01 - MEASURING TESTING
Information Patent Grant
Fiber optic thermal anemometer
- Patent number 4,621,929
- Issue date Nov 11, 1986
- Luxtron Corporation
- Stephen R. Phillips
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Automatic print wheel element changing mechanism for a serial printer
- Patent number 4,281,938
- Issue date Aug 4, 1981
- Stephen R. Phillips
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS