Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8376160 | Key retainer for railway car coupler | Ike S. Sowden, Andrès Paul Montoya Moncayo | 2013-02-19 |
| 6237733 | Internal neutral positioning spring for railcar shock absorber | Harry B. Kalina, Richard N. Hodges | 2001-05-29 |
| 5762214 | Railcar shock absorber backstop | — | 1998-06-09 |
| D389093 | Railcar hydraulic shock absorber backstop | — | 1998-01-13 |
| 5642823 | Railcar shock absorber with neutral position | Harry B. Kalina, Richard N. Hodges | 1997-07-01 |
| 5025938 | Rail car cushion slider valve | D. Bradley Dumler | 1991-06-25 |
| 4741085 | Repair of railway cushioning apparatus | — | 1988-05-03 |
| 4739889 | Railway cushioning apparatus | — | 1988-04-26 |
| 4566701 | Cushioning unit shaft seal | — | 1986-01-28 |