Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643624 | Railroad tank car | James Shirvinski | 2017-05-09 |
| 8833268 | Railroad tank car | James Shirvinski | 2014-09-16 |
| 8584597 | Self-latching cover mechanism | Randy McDougal, James A. Warwick | 2013-11-19 |