Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9808947 | Roofing shingle system | Lawrence J. Grubka, Carmen Anthony LaTorre, Christopher C. Freidner | 2017-11-07 |
| 9657478 | Shingle with reinforced nail zone and method of manufacturing | James S. Belt | 2017-05-23 |
| 9624670 | Shingle with reinforced nail zone and method of manufacturing | James S. Belt | 2017-04-18 |
| 9605434 | Shingle with reinforced nail zone and method of manufacturing | James S. Belt | 2017-03-28 |