Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178047 | Reversible ratchet wrench | Robert L. Arnold, Richard P. Folkenroth, Kenneth J. Taggart, James P. Gurzenski | 1993-01-12 |
| 4524816 | Centrifugal casting furnace | Richard E. Plowman | 1985-06-25 |