Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069621 | Ridge vent apparatus | James Mantyla, Rick Parkinson, Nicholas Broeders, Gordon F. Olsen | 2011-12-06 |
| 7774999 | Roof vent | — | 2010-08-17 |
| 7219473 | Ridge vent apparatus | James Mantyla, Rick Parkinson, Nicholas Broeders | 2007-05-22 |
| 6767281 | Passive venting device | — | 2004-07-27 |
| 6155008 | Passive venting device | — | 2000-12-05 |
| D431291 | Translucent roof vent | — | 2000-09-26 |