Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7145297 | L-band inductive output tube | Yanxia Li, Paul Krzeminski, Edmund Thomas Davies, Robert N. Tomoe | 2006-12-05 |
| 6084353 | Coaxial inductive output tube having an annular output cavity | — | 2000-07-04 |
| 5698949 | Hollow beam electron tube having TM.sub.0x0 resonators, where X is greater than 1 | Erling L. Lien | 1997-12-16 |
| 5548245 | Electron beam tube arrangements having the input cavity comprised of electrically internal and external body portions | Edward S. Sobieradski, Mark E. Bridges, Steven Bardell, Alan H. Pickering, Howard T. Pettas | 1996-08-20 |
| 5283534 | High frequency amplifying apparatus with a collector which has a periodic amplitude variable longitudinal magnetic field therein | Roy Heppinstall | 1994-02-01 |
| 5239272 | Electron beam tube arrangements having primary and secondary output cavities | David Mark Wilcox, Roy Heppinstall, Mark E. Bridges, Steven Bardell | 1993-08-24 |
| 4508992 | Microwave amplifier tube having two ring resonators | Enzio Demmel | 1985-04-02 |