Douglas R. Patriquin

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Middlebury, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for shaft torque measurement with temperature...
- Patent number 5,182,953
- Issue date Feb 2, 1993
- Simmonds Precision Products, Inc.
- Sylvester M. Ellinger
- G01 - MEASURING TESTING
Information Patent Grant
Encoding system and method for differential capacitive transducer
- Patent number 5,077,527
- Issue date Dec 31, 1991
- Simmonds Precision Products, Inc.
- Douglas R. Patriquin
- G01 - MEASURING TESTING
Information Patent Grant
Encoding system and method for differential capacitive transducer
- Patent number 5,075,631
- Issue date Dec 24, 1991
- Douglas R. Patriquin
- G01 - MEASURING TESTING
Information Patent Grant
Optical shaft angular and torsional displacement and speed sensing...
- Patent number 4,874,245
- Issue date Oct 17, 1989
- Simmonds Precision Products, Inc.
- William B. Spillman
- G01 - MEASURING TESTING
Information Patent Grant
Optical shaft torsional displacement and speed sensing system
- Patent number 4,863,274
- Issue date Sep 5, 1989
- Simmonds Precision Products, Inc.
- William B. Spillman
- G01 - MEASURING TESTING