FD

Frank K. David

HP HP: 1 patents #74 of 405Top 20%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #115,058 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 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