Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228379 | Diaphragm type piezoelectric electroacoustic transducer | John K. Guscott, Roger A. Wendt | 1980-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228379 | Diaphragm type piezoelectric electroacoustic transducer | John K. Guscott, Roger A. Wendt | 1980-10-14 |