Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8776447 | Combination flashing and drainage device | David G. Koch, Joseph G. Lincourt, Craig Wetmore | 2014-07-15 |
| 8201361 | Combination flashing and drainage system | David G. Koch, Joseph G. Lincourt | 2012-06-19 |
| 7900404 | Combination flashing and drainage system | David G. Koch, Joseph G. Lincourt | 2011-03-08 |
| 6696141 | Through-wall copper flashings | Richard A. Lolley | 2004-02-24 |