Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925467 | Railroad car seal for railroad hopper cars | James S. Kennedy, Victoria V. Bowermaster, James Hill, Matthew S. Hill | 2015-01-06 |
| 8413590 | Center bowl liner with spring washer conductor | James S. Kennedy | 2013-04-09 |
| 8082855 | Center bowl liner with spring washer conductor | James S. Kennedy | 2011-12-27 |