Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123150 | Spike puller and method for pulling a railroad spike of a track | Otto Widlroither, Bernhard Koch | 2024-10-22 |
| 12059736 | Cutting grinder and method for cutting through a rail of a track | Otto Widlroither | 2024-08-13 |
| 11851824 | Spike puller and method for pulling a railroad spike of a track | Otto Widlroither, Bernhard Koch | 2023-12-26 |