Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5953810 | Weatherproofing for sheet metal roofing | Paula Costantini, Ray A. Benesh, James A. Orr | 1999-09-21 |
| 5657603 | Preparing sheet metal and fabricating roofing shingles | Jane M. Brown, William E. Carnahan | 1997-08-19 |
| 5495654 | Preparing sheet metal and fabricating roofing shingles | Jane M. Brown, William E. Carnahan | 1996-03-05 |