Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5226237 | Flexible duct cutter hand tool | Jerome F. Fries, David F. Salzl | 1993-07-13 |
| 5077899 | Fiberglass panel cutter with interlocking blades | John F. Wozniak | 1992-01-07 |
| 4947901 | Strap tensioning and cut off tool | Lester Smith | 1990-08-14 |