Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8438827 | Block lock for a round link chain | — | 2013-05-14 |
| 8056315 | Chain connecting link | Eugeniusz Brodziak | 2011-11-15 |
| 7690183 | Chain lock for round steel chains | — | 2010-04-06 |