Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7043882 | Metal roofing light transmitting panel | Larry Gumpert | 2006-05-16 |
| 6775951 | Metal roofing light transmitting panel | Larry Gumpert | 2004-08-17 |
| 6079166 | Roof closure vent system | Dwayne L. Mason | 2000-06-27 |
| 5826383 | Roof closure vent system | — | 1998-10-27 |