Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660064 | Double-locking mechanism for handcuffs | Robert J. Ecker | 1997-08-26 |
| 5598723 | Hinge assembly for handcuffs | Robert J. Ecker | 1997-02-04 |
| 5471752 | High tension hacksaw frame | — | 1995-12-05 |
| 5246317 | Quick-release arbor for hole saws | Robert J. Ecker | 1993-09-21 |
| 5154552 | Quick-release arbor for hole saws | — | 1992-10-13 |
| 4918820 | Foldable pocket saw | William B. Korb | 1990-04-24 |
| 4813144 | Armored cable cutting device | William B. Korb | 1989-03-21 |