Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621756 | Web feeding mechanism | Michael K. Bullock, Dennis Hedrick, Edmund Hulin James, III | 1986-11-11 |
| 4295428 | Steerable truck for a railway vehicle | William W. Dickhart, III | 1981-10-20 |
| 4273498 | Railway car trap door lift | William W. Dickhart, III | 1981-06-16 |