Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022121 | Screwdriver provided with lighting means | — | 2000-02-08 |
| 5938952 | Laser-driven microwelding apparatus and process | Richard C. Sam | 1999-08-17 |
| D405335 | Screw driver | — | 1999-02-09 |
| 5772308 | Lamp circuit assembly of a screwdriver | — | 1998-06-30 |