Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8718969 | Apparatus and method for continuous thermal monitoring of cure status of glass fiber products | Wei Li | 2014-05-06 |
| 6986299 | Controlled cutting of multiple webs to produce roofing shingles | James F. White | 2006-01-17 |
| 6777023 | Method and apparatus for monitoring granule coloration on an asphalt coated sheet | John D. Phillips | 2004-08-17 |
| 6635140 | Shingle synchronization between blend drop and cut, and between pattern and pattern cutter | John D. Phillips | 2003-10-21 |
| 6360638 | Controlled cutting of multiple webs to produce roofing shingles | James F. White | 2002-03-26 |
| 5283080 | Method and apparatus for manufacturing a granule-covered roofing material by modifying a process parameter in response to measured reflected light | Glenn D. Lamb, Lawrence J. Grubka | 1994-02-01 |