Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6986508 | Spring holding cone for holding a spring end of a spiral torsion spring | Jochen Birwe | 2006-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6986508 | Spring holding cone for holding a spring end of a spiral torsion spring | Jochen Birwe | 2006-01-17 |