Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5036967 | Apparatus for extracting bobbin tubes from a magazine | Werner Graber | 1991-08-06 |
| 4678453 | Constant velocity ratio universal joint | Erich Aucktor | 1987-07-07 |
| 4606508 | Bobbin inserting device | — | 1986-08-19 |
| 4603818 | Bobbin inserting device | Rudolf Luz | 1986-08-05 |