GC

Geoffrey Clayworth

EC English Electric Valve Co.: 1 patents #32 of 66Top 50%
Overall (All Time): #3,730,364 of 4,157,543Top 90%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5691667 RF radiation absorbing material disposed between the cathode and anode of an electron beam tube Alan H. Pickering, Geoffrey John Rowlands, Roy Heppinstall, Edward Stanley Sobieradzki 1997-11-25