Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7263821 | Chain lock | Werner Lang, Hans Dalferth | 2007-09-04 |
| 7251923 | Chain lock | Werner Lang, Hans Dalferth | 2007-08-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7263821 | Chain lock | Werner Lang, Hans Dalferth | 2007-09-04 |
| 7251923 | Chain lock | Werner Lang, Hans Dalferth | 2007-08-07 |