RV

Richard P. Vahrenkamp

HA Hughes Aircraft: 2 patents #748 of 2,963Top 30%
RI Rockwell International: 1 patents #839 of 2,155Top 40%
📍 Newbury Park, CA: #278 of 684 inventorsTop 45%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,672,790 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4731339 Process for manufacturing metal-semiconductor field-effect transistors Frank Ryan, Man-Chung F. Chang, Dennis A. Williams 1988-03-15
4563587 Focused ion beam microfabrication column J. William Ward, Victor Wang, Robert L. Seliger 1986-01-07
4315153 Focusing ExB mass separator for space-charge dominated ion beams 1982-02-09