Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301574 | Hydraulic wrench | Brian Knopp, Harry J. Knopp | 1994-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301574 | Hydraulic wrench | Brian Knopp, Harry J. Knopp | 1994-04-12 |