Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520055 | Screwdriver or screwdriver attachment | Giuseppe De Bona | 2003-02-18 |
| 5284075 | Screwing tool, particularly a screwdriver | Martin Strauch | 1994-02-08 |
| 5190154 | Box for receiving screwdriver bits | — | 1993-03-02 |