Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6206214 | Non-metallic coupler carrier wear plate for a railcar | R. Michael Manley | 2001-03-27 |
| 6068146 | Universal coupler carrier wear plate | Robert S. Trent, R. Michael Manley | 2000-05-30 |