Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568641 | Electrically operated railroad switch machine | Stephen R. Kuhn | 2003-05-27 |
| 6427950 | Electrically operated railroad switch machine | Stephen R. Kuhn | 2002-08-06 |
| 4938438 | Railroad switch stand | Arthur W. Farrell, James A. Remington, Albert V. Fiorenzo | 1990-07-03 |