James D. Hoeffel

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Centerville, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Eddy current proble with adjustable position rotating head
- Patent number 5,111,142
- Issue date May 5, 1992
- Systems Research Laboratories, Inc.
- Daniel P. Mazzone
- G01 - MEASURING TESTING
Information Patent Grant
Control circuit for variable characteristic rotating eddy current p...
- Patent number 5,059,904
- Issue date Oct 22, 1991
- Systems Research Laboratories, Inc.
- Daniel P. Mazzone
- G01 - MEASURING TESTING
Information Patent Grant
Pneumatic surface-following control system
- Patent number 4,854,156
- Issue date Aug 8, 1989
- Systems Research Laboratories, Inc.
- James D. Hoeffel
- G01 - MEASURING TESTING