Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D281358 | Mushroom shaped landscape light | — | 1985-11-12 |
| 4451806 | Tuning means for a transmisson line cavity | — | 1984-05-29 |
| 4295077 | Circumferentially apertured cylindrical grid for electron tube | Don R. Carter, Fred G. Hammersand, Joseph R. Tomcavage | 1981-10-13 |
| 4184123 | Double-tuned output circuit for high power devices using coaxial cavity resonators | Gerald P. Grill | 1980-01-15 |