Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11348568 | Reactive silent speaker device for simulating harmonic nonlinearities of a loudspeaker | Ronald Girgis | 2022-05-31 |
| 10984763 | Stringed instrument machine head adapter | Ronald Girgis | 2021-04-20 |