Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652909 | Method of manufacturing composite roofing and building cover material with integrally formed nail tabs | — | 2003-11-25 |
| 6451409 | Roofing material with integrally formed nail tabs | — | 2002-09-17 |
| RE35603 | Roofing material with nail tabs | — | 1997-09-16 |
| 5365709 | Roofing material with nail tabs | — | 1994-11-22 |