Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389580 | Flexible tape electroacoustic transducer using an electret | Francis H. Townsend, John N. Ribet | 1983-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389580 | Flexible tape electroacoustic transducer using an electret | Francis H. Townsend, John N. Ribet | 1983-06-21 |