Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422804 | Inertia load dampening hydraulic system | — | 2002-07-23 |
| 4779384 | Rail grinder | John J. Shoenhair, Darrell E. Johnson, Bernard C. Lancette, Winfred C. Croft | 1988-10-25 |