Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821877 | Screw magazine for an apparatus for inserting and removing screws | Hans W. Aab | 1989-04-18 |
| 4674367 | Apparatus for inserting and removing screws | Hans W. Aab | 1987-06-23 |