Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536064 | Folding ramp with pivotal leg support | Edward A. Swink, Clayton M. Smith, Rick Lavelock | 2003-03-25 |
| 6427749 | Power-driven shutter assembly | Edward A. Swink, Clayton M. Smith, Rick Lavelock | 2002-08-06 |
| 6085825 | Power-driven shutter assembly | Edward A. Swink, Clayton M. Smith, Rick Lavelock | 2000-07-11 |
| D369771 | Trailer hitch | Hazel Mullins, Mac Hilton | 1996-05-14 |