Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324098 | Cutting tool having hard tip with lobes | John J. Prizzi | 1994-06-28 |
| D347232 | Tip with lobes | John J. Prizzi | 1994-05-24 |
| 5292213 | Coupling device for high-speed rotation | David R. Siddle, John S. VanKirk | 1994-03-08 |