Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221044 | Rail fastening system with gage adjustment means | — | 1993-06-22 |
| 4765251 | Railway car truck with multiple effective spring rates | — | 1988-08-23 |
| 4657611 | Cross corrugated fiberboard and method and apparatus for making the same | — | 1987-04-14 |
| 4333403 | Retainer railway car truck bolster spring | Carl E. Tack, Jr. | 1982-06-08 |
| 4222696 | Adjustable fluid actuated horizontal bulkhead | — | 1980-09-16 |