Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598938 | Locking device for a vehicle seat | Wolfgang Boltze, Werner Wittig | 2003-07-29 |
| 4694765 | Adjustable apparatus for sewing machine thread tensioning device | — | 1987-09-22 |