Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6541894 | Piezoelectric acoustic alarm | Peter Frank | 2003-04-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6541894 | Piezoelectric acoustic alarm | Peter Frank | 2003-04-01 |