Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6991065 | Main line wayside rail lubricating system with feedback | Carlton Leslie | 2006-01-31 |
| 6446754 | Method and apparatus for lubricating railroad tracks | Carlton Leslie | 2002-09-10 |