Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6986633 | Folding ramp | Charles Kellogg | 2006-01-17 |
| 6968886 | Sectional door with combination hinge pin and reinforcing member | Robert E. Berry, Charles Kellogg | 2005-11-29 |
| 6969109 | Reinforced sectional door for cargo body | Charles Kellogg | 2005-11-29 |
| 6866464 | Folding ramp | Charles Kellogg | 2005-03-15 |