Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5722325 | Tie guide and plate holding apparatus | Kurt L. Natterstad, Thomas H. Hoover | 1998-03-03 |
| 5617795 | Tie guide and plate holding apparatus | Kurt L. Natterstad, Thomas H. Hoover | 1997-04-08 |
| 5197389 | Tie replacer | G. Robert Newman, Harry Madison | 1993-03-30 |