Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913062 | Segmented sliding sill wear plate | — | 1990-04-03 |
| 4795007 | Brake rod protector | Richard F. Murphy | 1989-01-03 |
| 4784068 | Segmented sliding sill wear plate | — | 1988-11-15 |