Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11002015 | Roofing material | Matti Kiik, Paul G. Wilson, Margie A. Beerer, Olan Leitch | 2021-05-11 |
| 10995495 | Roofing material | Matti Kiik, Paul G. Wilson, Margie A. Beerer, Olan Leitch | 2021-05-04 |