Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543199 | Roof sheeting | Richard W. Tomlinson | 2003-04-08 |
| 5594073 | Dialkylthiourea cured elastomeric roofing composition | Allen E. Crepeau | 1997-01-14 |
| 5326828 | Tetrabenzylthiuram disulfide/urea cured elastomeric composition | Donald G. Rowland, David T. Faiman | 1994-07-05 |