Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8881773 | Apparatus for removal of loosefill insulation | Jason Fokens | 2014-11-11 |
| 8211528 | Roofing materials having engineered coatings | David P. Aschenbeck, David B. Ollett | 2012-07-03 |
| 7541059 | Roofing materials having engineered coatings | David P. Aschenbeck, David B. Ollett | 2009-06-02 |
| 7238408 | Roofing materials having engineered coatings | David P. Aschenbeck, David B. Ollett | 2007-07-03 |
| 6709994 | Storm proof roofing material | David G. Miller, Margaret M. Woodside, Frank J. Macdonald, James S. Belt, William Huykman | 2004-03-23 |
| 6494010 | Wind resistant roofing shingle | Ralph E. Brandon, Margaret M. Woodside | 2002-12-17 |
| 6426309 | Storm proof roofing material | David G. Miller, Margaret M. Woodside, Frank J. Macdonald, James S. Belt, William Huykman | 2002-07-30 |
| 6228422 | Shuttle cutoff for applying granules to an asphalt coated sheet | James F. White, Glenn D. Lamb, Lawrence J. Grubka | 2001-05-08 |
| 6228785 | Roofing material having improved impact resistance | David G. Miller | 2001-05-08 |
| 5858095 | Shuttle cutoff for applying granules to an asphalt coated sheet | James F. White, Glenn D. Lamb, Lawrence J. Grubka | 1999-01-12 |
| D379672 | Tab portion of a roof shingle | Glenn D. Lamb, Frank A. Wilgus | 1997-06-03 |