Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5953810 | Weatherproofing for sheet metal roofing | Robert R. Goodhart, Ray A. Benesh, James A. Orr | 1999-09-21 |
| D394718 | Roofing panel | — | 1998-05-26 |
| D394719 | Roofing panel | — | 1998-05-26 |