Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881615 | Multiple bit screwdrivers and methods | Todd Kevin Dahl | 1999-03-16 |
| 5335409 | Screwdriver including a handle with an O-ring therein for retaining a removable bit and method of assembly therefor | — | 1994-08-09 |