Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747607 | Radiation power limiter | Weldon S. Williamson | 2004-06-08 |
| 4970440 | Orientation independent ignitron with grooved cathode | Hayden E. Gallagher, Roland G. Fleig | 1990-11-13 |