Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450546 | Speech controlled start-stop of tape recorder in record and reproduce modes by separate microphone | — | 1984-05-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450546 | Speech controlled start-stop of tape recorder in record and reproduce modes by separate microphone | — | 1984-05-22 |