Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4190336 | Piezoelectric power supply for cameras | Lee F. Frank | 1980-02-26 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4190336 | Piezoelectric power supply for cameras | Lee F. Frank | 1980-02-26 |