Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402169 | Surfacing for roof and siding structures of buildings | Otis M. Martin | 1983-09-06 |
| 4397129 | Resurfacing construction | Otis M. Martin | 1983-08-09 |
| 4355491 | Roof construction and method | Otis M. Martin | 1982-10-26 |