Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816743 | Method and apparatus for the identification of oscillatory properties as well as for the operation of a piezo-electric tranducer | Friedrich Ruckenbauer | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816743 | Method and apparatus for the identification of oscillatory properties as well as for the operation of a piezo-electric tranducer | Friedrich Ruckenbauer | 1989-03-28 |