Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7704025 | Apparatus and method for supporting a semi-trailer on a railcar | James C. Hammonds | 2010-04-27 |
| 5017065 | Retractable railcar hitch | John A. Krug, James C. Hammonds, Dennis F. Paglusch | 1991-05-21 |
| 5015131 | Hitch retarder | Jan D. Holt | 1991-05-14 |
| 5004386 | Protective cover for railcar hitch | Jan D. Holt | 1991-04-02 |
| 4880148 | Fluidization kit for pneumatic discharge outlet | — | 1989-11-14 |