Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12134414 | Automatic switch plate lubrication assembly | Justin Jeong Dailey, Christian Pieper | 2024-11-05 |
| 11794794 | Rail road track lubrication apparatus and method | Justin Jeong Dailey | 2023-10-24 |
| 10421469 | Rail road track lubrication apparatus and method | Roy L. Nelson | 2019-09-24 |
| 9561809 | Rail road track lubrication apparatus and method | Roy L. Nelson | 2017-02-07 |
| 5236063 | Rail lubricating device | Roy L. Nelson | 1993-08-17 |