Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198140 | Piezoelectric camera shutter | James K. Lee | 1980-04-15 |
| 4190336 | Piezoelectric power supply for cameras | James K. Lee | 1980-02-26 |
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198140 | Piezoelectric camera shutter | James K. Lee | 1980-04-15 |
| 4190336 | Piezoelectric power supply for cameras | James K. Lee | 1980-02-26 |