Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017052 | Process of and apparatus for making a shingle, and shingle made thereby | Robert E. Dodd, Joong Youn Kim, Douglas H. Wylie | 2011-09-13 |
| 7934346 | Process of treating a synthetic shingle and shingle made thereby | Douglas H. Wylie, John K. Donaldson | 2011-05-03 |
| D636501 | Array of hip, ridge or rake roofing shingles | Larry Wayne Shanes | 2011-04-19 |