Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237733 | Internal neutral positioning spring for railcar shock absorber | Charles T. Bomgardner, Richard N. Hodges | 2001-05-29 |
| 5642823 | Railcar shock absorber with neutral position | Charles T. Bomgardner, Richard N. Hodges | 1997-07-01 |
| 5551581 | Single acting sliding sill cushioning unit | — | 1996-09-03 |
| 5415303 | Railcar cushion unit | Richard N. Hodges | 1995-05-16 |