Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5749595 | Trailer suspension | James E. Thompson, Thomas F. Johnson, Martin Kirbie, Andrew J. Speer, III | 1998-05-12 |
| 5551759 | Dual use materials transport vehicle with belly-dumping and improved end-dumping capabilities and method of construction | James E. Thompson, Thomas F. Johnson, Martin Kirbie, Andrew J. Speer, III | 1996-09-03 |
| 5549359 | Dual use materials transport vehicle with end-dumping and improved belly-dumping capabilities and method of construction | James E. Thompson, Thomas F. Johnson, Martin Kirbie, Andrew J. Speer, III | 1996-08-27 |