Richard J. Grogan

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Toledo, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Nonthreaded load sensing probe
- Patent number 5,402,689
- Issue date Apr 4, 1995
- Helm Instrument Co., Inc.
- Richard J. Grogan
- G01 - MEASURING TESTING
Information Patent Grant
Cylindrical piezoelectric load sensor
- Patent number 5,214,967
- Issue date Jun 1, 1993
- Helm Instrument Co., Inc.
- Richard J. Grogan
- G01 - MEASURING TESTING
Information Patent Grant
Method of measuring strain forces in a press
- Patent number 4,766,758
- Issue date Aug 30, 1988
- Helm Instrument Co., Inc.
- Mark H. Lucas
- B30 - PRESSES