Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368401 | Transducer plate for piezo-electrical transducers | Erwin Martin | 1983-01-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4368401 | Transducer plate for piezo-electrical transducers | Erwin Martin | 1983-01-11 |