Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876294 | Algae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles, and process for producing same | Keith C. Hong, Husnu M. Kalkanoglu, Ming Liang Shiao, Anne B. Hardy, James A. Salvatore | 2020-12-29 |