DP

Donald H. Preist

VA Varian: 2 patents #151 of 684Top 25%
📍 San Mateo, CA: #2,014 of 3,727 inventorsTop 55%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,353,980 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4527091 Density modulated electron beam tube with enhanced gain — 1985-07-02
4480210 Gridded electron power tube Merrald B. Shrader 1984-10-30