Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672609 | Tow hooks | Richard F. Pierman, Mohammad Zaheer Younus | 2004-01-06 |
| 6354574 | Leaf spring tip insert | James L. Oliver, Richard F. Pierman, James W. Mailey | 2002-03-12 |
| 6311960 | Leaf spring tip insert with semi-liquid or thermally deformable retention pin | Richard F. Pierman | 2001-11-06 |