Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10696868 | Use of an additive and paving grade asphalt in shingle coating asphalt composition manufacture | Robert E. Quinn, Jason D. Guerra | 2020-06-30 |
| 10669203 | System and method for manufacturing asphalt products with recycled asphalt shingles | Michael R. Franzen, David C. Trumbore, Herb Wissel, James E. Burkett, Barry Garriett Hornbacher +2 more | 2020-06-02 |