Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6986432 | Common cast draft sill for type E and F draft gear | Paul Limbach, John F. Deppen, John F. Oesch | 2006-01-17 |
| 5161292 | Rail anchor wrench | Randy D. Cormode, Ronald Schoenfelder | 1992-11-10 |