Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905116 | Toggle clamp with compression spindle assembly for clamping | Rich Cummines | 2005-06-14 |
| 5238333 | Pneumatic outlet for railcars | Richard H. Dugge | 1993-08-24 |
| 5159882 | Railway car underbody structure and method | John A. Krug, William L. Willis, Paul J. Dumser, William T. Deet, Laurence E. Culligan +1 more | 1992-11-03 |
| 5158022 | Hatch vent assembly for railroad cars with baffle and screen mesh to prevent entry of contaminants | Richard A. Dugge, John A. Krug | 1992-10-27 |
| 4805540 | Center stub still railway tank car construction | James D. Mundloch | 1989-02-21 |