FD

Frank K. David

HP HP: 2 patents #2,312 of 7,018Top 35%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,328,542 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4805237 Parametric diode amplifier David K. Donald, Shih-Yuan Wang, Tirumala R. Ranganath, Steven A. Newton, William Trutna +1 more 1989-02-14
4749949 Self biasing diode microwave frequency multiplier Robert D. Albin 1988-06-07