Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11702801 | Methods and compositions for asphalt rejuvenation | Timothy J. Murphy, Courtney Rice | 2023-07-18 |
| 10696868 | Use of an additive and paving grade asphalt in shingle coating asphalt composition manufacture | Robert E. Quinn, Laurand Henry Lewandowski | 2020-06-30 |
| 10273392 | Sealant composition for releasable shingle | James E. Loftus, Donn R. Vermilion | 2019-04-30 |
| 9688882 | Use of an additive and paving grade asphalt in shingle coating asphalt composition manufacture | Robert E. Quinn, Laurand Henry Lewandowski | 2017-06-27 |
| 9574350 | Sealant composition for releasable shingle | James E. Loftus, Donn R. Vermilion | 2017-02-21 |
| 9482007 | Flexible laminated hip and ridge shingle | Lawrence J. Grubka, Jennifer L. Frey, James E. Loftus, Donn R. Vermilion | 2016-11-01 |
| 8753442 | Roofing coating asphalt composition | David C. Trumbore, David R. Jones | 2014-06-17 |
| 7951239 | Method of producing roofing shingle coating asphalt from non-coating grade asphalt | David C. Trumbore, David R. Jones | 2011-05-31 |
| 7951240 | Process of producing roofing shingle coating asphalt allowing more material options | David C. Trumbore, Edward R. Harrington, Donn R. Vermilion, David R. Jones | 2011-05-31 |
| 7857904 | Process of producing roofing shingle coating asphalt | David C. Trumbore, David R. Jones, Edward R. Harrington, Donn R. Vermilion | 2010-12-28 |