Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814662 | Piezoelectric resonator with either minimal or extreme sensitivity to external pressure stresses | — | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814662 | Piezoelectric resonator with either minimal or extreme sensitivity to external pressure stresses | — | 1989-03-21 |