PD

Peter R. Davis

EC English Electric Valve Co.: 1 patents #32 of 66Top 50%
Overall (All Time): #4,003,884 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4619041 Method for manufacturing coupled cavity travelling wave tubes Brian Frank Cooper, David H. Cottey 1986-10-28