Frederick M. Gray

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Stafford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Receiver for A.C. electrical supply signalling arrangement
- Patent number 4,392,121
- Issue date Jul 5, 1983
- The General Electric Company Limited
- Frederick M. Gray
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems for transmitting information in an alternating current elec...
- Patent number 4,254,403
- Issue date Mar 3, 1981
- The General Electric Company Limited
- Leonardo Perez-Cavero
- H04 - ELECTRIC COMMUNICATION TECHNIQUE