BP

Bruce P. Piggin

IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #1,674,845 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
H216 Method for and product of electron emissive layer and multibeam CRT 1987-02-03
4361781 Multiple electron beam cathode ray tube Steven W. Depp 1982-11-30
4301389 Multiple beam cathode ray tube with apertured cathode and control grid Vernon D. Beck, Arthur E. Uber, III 1981-11-17