Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12107560 | Valve amplifiers | — | 2024-10-01 |
| 10067306 | Optical connector and circuit board assemblies | — | 2018-09-04 |
| 9759881 | Optical connector and circuit board assemblies | — | 2017-09-12 |
| 8908340 | Switched transient voltage suppression circuit | Dale Trumbo, Alex Wedin | 2014-12-09 |
| 8610498 | Methods and apparatus for variable solid state-to-tube rectification in an amplifier | John Calvin Fields, Hartley D. Peavey | 2013-12-17 |
| 8570697 | Appartus and method for protecting signal and communication lines from very high voltage and transient pulses | Alex Wedin, Dale Trumbo | 2013-10-29 |
| 8339181 | Low-side driver high-voltage transient protection circuit | Alex Wedin, Dale Trumbo | 2012-12-25 |
| 5305415 | Electric steam generator having molded plastic lid and base secured together by a snap-fit connection arrangement | — | 1994-04-19 |