Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196657 | Electric switch | — | 1993-03-23 |
| 5134655 | Headphone with microphone | — | 1992-07-28 |
| 4620446 | Acceleration responsive transducers | Gregory Michel | 1986-11-04 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196657 | Electric switch | — | 1993-03-23 |
| 5134655 | Headphone with microphone | — | 1992-07-28 |
| 4620446 | Acceleration responsive transducers | Gregory Michel | 1986-11-04 |