Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4293821 | Audio channel separating apparatus | Edwin F. Peters | 1981-10-06 |
| 4253749 | Electronic theater projector | — | 1981-03-03 |
| 4206415 | Audio amplitude detector circuit | Edwin F. Peters | 1980-06-03 |