Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370855 | Roof deck intake vent | Paul E. Gassman | 2019-08-06 |
| 10059016 | Roofing shingle system | Lawrence J. Grubka, Carmen Anthony LaTorre, Bert W. Elliott | 2018-08-28 |
| 9808947 | Roofing shingle system | Lawrence J. Grubka, Carmen Anthony LaTorre, Bert W. Elliott | 2017-11-07 |
| 9334651 | System and method for attaching shingles to a roof | Lawrence J. Grubka, Venkata S. Nagarajan | 2016-05-10 |
| D710985 | Roof vent | Paul E. Gassman | 2014-08-12 |