Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6089544 | Safety stand for trailer loading | — | 2000-07-18 |
| 5868379 | Safety stand for trailer loading | — | 1999-02-09 |
| 5664930 | Vehicle activated wheel chock positioning device | — | 1997-09-09 |
| 5553987 | Truck activated wheel chocking device | — | 1996-09-10 |
| 4969792 | Truck supporting device | Arthur S. Ellis | 1990-11-13 |