Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876294 | Algae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles, and process for producing same | Husnu M. Kalkanoglu, Ming Liang Shiao, Anne B. Hardy, James A. Salvatore, Andrew Johnson | 2020-12-29 |
| 10597306 | Photocatalytic roofing granules, photocatalytic roofing products, and process for preparing same | Gregory F. Jacobs | 2020-03-24 |
| 10550574 | Roofing product including bio-based asphalt mixture and methods of making the roofing product and the roofing-grade asphalt mixture | Gregory F. Jacobs, Rajesh Ranjan | 2020-02-04 |