Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8281520 | Hip, ridge or rake shingle | Joseph Quaranta, Robert L. Jenkins, Gregory F. Jacobs, Karen L. Steele | 2012-10-09 |
| 8266861 | Process of producing hip, ridge or rake shingles, and high profile shingles produced thereby | Husnu M. Kalkanoglu, Joseph Quaranta | 2012-09-18 |
| 8230656 | Roof membrane and roof system using the membrane to stimulate a standing seam metal roof | Husnu M. Kalkanoglu | 2012-07-31 |
| 8209920 | Photovoltaic roofing systems and methods for installing them | Richard H. Krause, Wayne E. Shaw, Gregory F. Jacobs, Paul J. Batt | 2012-07-03 |
| 8173243 | Shingle with reinforcement layer | Husnu M. Kalkanoglu | 2012-05-08 |
| 8015770 | Roof membrane and roof system using the membrane to simulate a standing seam metal roof | Husnu M. Kalkanoglu | 2011-09-13 |
| 7921606 | Hip, ridge or rake shingle | Joseph Quaranta, Robert L. Jenkins, Gregory F. Jacobs, Karen L. Steele | 2011-04-12 |
| D633221 | Shingle strip | Husnu M. Kalkanoglu, Robert L. Jenkins, Gregory F. Jacobs | 2011-02-22 |
| D633222 | Shingle | Husnu M. Kalkanoglu, Robert L. Jenkins, Gregory F. Jacobs | 2011-02-22 |
| 7861478 | Roof membrane and roof system using the membrane to simulate a standing seam metal roof | Husnu M. Kalkanoglu | 2011-01-04 |
| 7781046 | Shingle with reinforcement layer | Husnu M. Kalkanoglu | 2010-08-24 |
| D611620 | Shingle | Husnu M. Kalkanoglu, Robert L. Jenkins, Richard H. Krause, Joseph Quaranta, Kermit E. Stahl | 2010-03-09 |
| 7537820 | Shingle with reinforcement layer | Husnu M. Kalkanoglu | 2009-05-26 |
| D552267 | Shingle | Husnu M. Kalkanoglu, Robert L. Jenkins, Richard H. Krause, Joseph Quaranta, Kermit E. Stahl | 2007-10-02 |
| 7118794 | Shingle with improved blow-off resistance | Husnu M. Kalkanoglu, Robert L. Jenkins | 2006-10-10 |
| 6874289 | Starter strip shingle and roof having same | Husnu M. Kalkanoglu, Robert L. Jenkins | 2005-04-05 |
| 6758019 | Shingle with improved blow-off resistance | Husnu M. Kalkanoglu, Robert L. Jenkins | 2004-07-06 |