Issued Patents All Time
Showing 151–157 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7595107 | Algae resistant roofing system containing silver compounds, algae resistant shingles, and process for producing same | Husnu M. Kalkanoglu, Keith C. Hong, Gregory F. Jacobs | 2009-09-29 |
| 7592066 | Roofing articles with reflective thin films and the process of producing the same | Keith C. Hong | 2009-09-22 |
| 7452598 | Mineral-surfaced roofing shingles with increased solar heat reflectance, and process for producing same | Gregory F. Jacobs, Husnu M. Kalkanoglu, Keith C. Hong | 2008-11-18 |
| 7422989 | Solar heat reflective roofing membrane and process for making the same | Husnu M. Kalkanoglu, Gregory F. Jacobs | 2008-09-09 |
| 7241500 | Colored roofing granules with increased solar heat reflectance, solar heat-reflective shingles, and process for producing same | Husnu M. Kalkanoglu, Keith C. Hong | 2007-07-10 |
| 6854303 | Torque resistant security casing for a padlock | Frank Minnella | 2005-02-15 |
| 6823703 | Removable plug cylinder lock | Frank Minnella | 2004-11-30 |