Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8590270 | Shingle with interlocking water diverter tabs | — | 2013-11-26 |
| 7845141 | Shingle with interlocking water diverter tabs | — | 2010-12-07 |
| 7563478 | Synthetic roofing shingles | John C. Humphreys | 2009-07-21 |
| 7520098 | Stepped tile shingle | Tim Gentry, Rick Fitzpatrick, John C. Humphreys | 2009-04-21 |
| 7331150 | Shingle with interlocking water diverter tabs | — | 2008-02-19 |
| 7140153 | Synthetic roofing shingles | John C. Humphreys | 2006-11-28 |