Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11479920 | Method for maintaining wood railroad ties | Michael Raab | 2022-10-25 |
| 11255053 | Composition, device, and method for maintaining wood railroad ties | Jacob David Rutzebeck, Michael Raab | 2022-02-22 |