Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8820021 | Pre-assembled hip, ridge or rake shingle | Husnu M. Kalkanoglu, Gregory F. Jacobs, Erik F. Shay | 2014-09-02 |
| 8216407 | Pre-assembled hip, ridge or rake shingle | Husnu M. Kalkanoglu, Gregory F. Jacobs, Erik F. Shay | 2012-07-10 |
| 7168220 | Single piece post cladding element, method of cladding a post and method of forming a cladding element | Anthony L. Owoc, Christopher Bourque, Stephen W. Steffes | 2007-01-30 |