Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980873 | Ultrasonic transducer with tensioned diaphragm and method | Dean D. Campbell, James N. Kniest | 1990-12-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980873 | Ultrasonic transducer with tensioned diaphragm and method | Dean D. Campbell, James N. Kniest | 1990-12-25 |