Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306505 | Gondola car underframe | Jurg Zehnder | 1981-12-22 |
| 4287834 | Stops of a draft gear housing of a rail car central coupler arranged in a center sill | Jurg Zehnder | 1981-09-08 |
| 4185630 | Colostomy apparatus | Douglas J. Marver | 1980-01-29 |