FH

Fred G. Hammersand

RC Rca: 2 patents #592 of 1,739Top 35%
UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
📍 East Petersburg, PA: #8 of 24 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,679,487 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4506822 Method for brazing together planar and nonplanar metal members Anthony J. Witkowski 1985-03-26
4295077 Circumferentially apertured cylindrical grid for electron tube Don R. Carter, Claude E. Doner, Joseph R. Tomcavage 1981-10-13
4264843 Magnetron filament assembly 1981-04-28