Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344824 | Pivotable block lock | — | 2019-07-09 |
| 9976627 | Block lock with a twist lock | — | 2018-05-22 |
| 9169899 | Chain connecting element with security crosspiece | — | 2015-10-27 |
| 8056315 | Chain connecting link | Wilhelm Mülle | 2011-11-15 |
| 6021634 | Block connecting link for round steel chains | — | 2000-02-08 |