Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8039048 | Algae resistant roofing granules with controlled algaecide leaching rates, algae resistant shingles and process for producing same | Keith C. Hong, Husnu M. Kalkanoglu | 2011-10-18 |
| 8017224 | Solar heat responsive exterior surface covering | Husnu M. Kalkanoglu, Keith C. Hong, Gregory F. Jacobs | 2011-09-13 |
| 7867562 | Method of controlling coating edge thickness in a web process | Ronald S. Wisniewski, Harold F. Zimmerman, Earnest E. McDaniel, Gregory F. Jacobs, Keith C. Hong | 2011-01-11 |