WD

William P. Dumke

IBM: 2 patents #32,839 of 70,183Top 50%
📍 Chappaqua, NY: #188 of 336 inventorsTop 60%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,353,371 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4518979 Semiconductor transistor with graded base and collector Jerry M. Woodall 1985-05-21
4396931 Tunnel emitter upper valley transistor Alan B. Fowler 1983-08-02