Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11426756 | Process for in-line extrusion coatings onto roofing shingles during manufacturing and roofing shingles made by the process | Olan Leitch, Matti Kiik | 2022-08-30 |
| 11255088 | Method of extruding polymer film onto a mat and products incorporating the resulting composite mat | Olan Leitch, Matti Kiik | 2022-02-22 |
| 10724243 | Process for in-line extrusion of coating onto roofing shingles during manufacturing and roofing shingles made by the process | Olan Leitch, Matti Kiik | 2020-07-28 |