GC

Geoffrey Clayworth

EC English Electric Valve Co.: 1 patents #1 of 5Top 20%
Overall (1997): #149,890 of 185,788Top 85%
1
Patents 1997

Issued Patents 1997

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