Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428258 | Non cutting hole-shaping and thread-forming stainless screw and process with impact for driving in the same | Helmut Osterle | 2002-08-06 |
| 6361259 | Screw for torque-limited fastening | Norbert Koeppel | 2002-03-26 |