Robert J. Griffith

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Erie, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Circuit for averaging a plurality of separate motor speed signals
- Patent number 4,418,301
- Issue date Nov 29, 1983
- General Electric Company
- Robert J. Griffith
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage-to-frequency converter having a constant frequency mode of...
- Patent number 4,256,983
- Issue date Mar 17, 1981
- General Electric Company
- Robert J. Griffith
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Torque analog of a series wound DC traction motor
- Patent number 4,090,119
- Issue date May 16, 1978
- General Electric Company
- Robert James Griffith
- B60 - VEHICLES IN GENERAL