Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002015 | Roofing material | Matti Kiik, Michael L. Bryson, Paul G. Wilson, Olan Leitch | 2021-05-11 |
| 10995495 | Roofing material | Matti Kiik, Michael L. Bryson, Paul G. Wilson, Olan Leitch | 2021-05-04 |
| 10883270 | Shingle with film covered surfaces | Matti Kiik, Sudhir Railkar, Steven D. Kerr | 2021-01-05 |