Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6112492 | Shingle having ribs and cavity on its underside | James R. Wells, Roger A. McFarland | 2000-09-05 |
| 6021611 | Shingle having ribs and a cavity on its underside | James R. Wells, Roger A. McFarland | 2000-02-08 |
| 5615523 | Roof having resinous shingles | James R. Wells, Denise A. McLaine, Roger A. McFarland, Arthur Blinkhorn | 1997-04-01 |