Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712093 | Audible audio level indicator | Kenneth R. Reichel | 1987-12-08 |
| 4691349 | Duplex microphone communication system | Kenneth R. Reichel | 1987-09-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712093 | Audible audio level indicator | Kenneth R. Reichel | 1987-12-08 |
| 4691349 | Duplex microphone communication system | Kenneth R. Reichel | 1987-09-01 |