Sylvester M. Ellinger

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North Ferrisburg, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical liquid level sensor including built-in test circuitry
- Patent number 5,880,480
- Issue date Mar 9, 1999
- Simmonds Precision Products, Inc.
- Sylvester M. Ellinger
- G01 - MEASURING TESTING
Information Patent Grant
Optical fuel/air/water sensor and detector circuit
- Patent number 5,534,708
- Issue date Jul 9, 1996
- Simmonds Precision Products Inc.
- Sylvester M. Ellinger
- G01 - MEASURING TESTING
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
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