Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593256 | Eliminating hinged drill caps | Charles R. Bielak | 1997-01-14 |
| 5564869 | Method of drilling ductile materials | William R. Lander | 1996-10-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593256 | Eliminating hinged drill caps | Charles R. Bielak | 1997-01-14 |
| 5564869 | Method of drilling ductile materials | William R. Lander | 1996-10-15 |