William J. Cottrell

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Essex Junction, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Common-path point-diffraction phase-shifting interferometer
- Patent number 7,304,746
- Issue date Dec 4, 2007
- Interphase Technologies, Inc.
- William J. Cottrell
- G01 - MEASURING TESTING
Information Patent Grant
Common-path point-diffraction phase-shifting interferometer
- Patent number 7,106,456
- Issue date Sep 12, 2006
- Interphase Technologies, Inc.
- William J. Cottrell
- G01 - MEASURING TESTING
Information Patent Grant
High amplitude fast optical modulator
- Patent number 6,813,056
- Issue date Nov 2, 2004
- TeraComm Research Inc.
- William J. Cottrell
- G02 - OPTICS
Information Patent Grant
Fast optical modulator
- Patent number 6,476,956
- Issue date Nov 5, 2002
- TeraComm Research, Inc.
- William J. Cottrell
- G02 - OPTICS
Information Patent Grant
Extinction ratio optical communication device using superconducting...
- Patent number 6,429,958
- Issue date Aug 6, 2002
- TeraComm Research, Inc.
- Kenneth A. Puzey
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Common-path point-diffraction phase-shifting interferometer
- Publication number 20060274321
- Publication date Dec 7, 2006
- William J. Cottrell
- G01 - MEASURING TESTING
Information Patent Application
Method for high amplitude fast optical modulation
- Publication number 20050095011
- Publication date May 5, 2005
- William J. Cottrell
- G02 - OPTICS
Information Patent Application
FAST OPTICAL MODULATOR
- Publication number 20020149830
- Publication date Oct 17, 2002
- William J. Cottrell
- G02 - OPTICS
Information Patent Application
High amplitude fast optical modulator
- Publication number 20020118903
- Publication date Aug 29, 2002
- William J. Cottrell
- G02 - OPTICS