Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9290943 | Hip and ridge roofing shingle | Lawrence J. Grubka, Jennifer L. Frey, Hyun Gun Yu | 2016-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9290943 | Hip and ridge roofing shingle | Lawrence J. Grubka, Jennifer L. Frey, Hyun Gun Yu | 2016-03-22 |