Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8776447 | Combination flashing and drainage device | David G. Koch, Kevin D. Broad, Craig Wetmore | 2014-07-15 |
| 8201361 | Combination flashing and drainage system | David G. Koch, Kevin D. Broad | 2012-06-19 |
| 7900404 | Combination flashing and drainage system | David G. Koch, Kevin D. Broad | 2011-03-08 |