Robert J. Wheldon

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Chelmsford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Thyratrons
- Patent number 4,180,756
- Issue date Dec 25, 1979
- English Electric Valve Company Limited
- Robert J. Wheldon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thyratrons
- Patent number 4,123,684
- Issue date Oct 31, 1978
- English Electric Valve Company Limited
- Hugh Menown
- H01 - BASIC ELECTRIC ELEMENTS