Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921605 | Roof structure with snow guard and method of installing | Gregory F. Jacobs | 2011-04-12 |
| 7921606 | Hip, ridge or rake shingle | Joseph Quaranta, Stephen A. Koch, Gregory F. Jacobs, Karen L. Steele | 2011-04-12 |
| D633221 | Shingle strip | Stephen A. Koch, Husnu M. Kalkanoglu, Gregory F. Jacobs | 2011-02-22 |
| D633222 | Shingle | Stephen A. Koch, Husnu M. Kalkanoglu, Gregory F. Jacobs | 2011-02-22 |
| 7874105 | Roof structure with snow guard and method of installing | Gregory F. Jacobs | 2011-01-25 |