Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10580396 | Acoustically stiff wall | Christopher T. Buckingham | 2020-03-03 |
| 9671453 | Built in test circuit for transient voltage suppressor devices | Gary L. Hess | 2017-06-06 |
| 9383405 | Transient voltage suppression protection circuit including built in testing | Gary L. Hess | 2016-07-05 |
| 7278514 | Acoustic noise filter | — | 2007-10-09 |
| 7136324 | Pressure equalizing fluidborne sound projector | — | 2006-11-14 |