Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10711406 | Keyway tie | Scott Lesher | 2020-07-14 |
| 10458071 | Method of installing interface pad on concrete ties | Scott Lesher, Perry E. Nuernberger | 2019-10-29 |
| 8752773 | Grade crossing interface pad | — | 2014-06-17 |
| 6350093 | Electrically insulated threaded fastener anchor | Rick W. Petersen | 2002-02-26 |
| 6129288 | Railroad crossing panel filler | Rick W. Petersen | 2000-10-10 |