Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279272 | Full coverage vent pipe flashing | — | 2001-08-28 |
| 6225909 | Roof vents with moisture detectors and roof systems incorporating same | — | 2001-05-01 |
| 6040775 | Roof vents with moisture detectors and roof systems incorporating same | — | 2000-03-21 |
| 5193390 | Early warning roof vent | — | 1993-03-16 |