Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1078023 | Ridge vent | Grayson M. Griffin | 2025-06-03 |
| D1078024 | Ridge vent | Grayson M. Griffin | 2025-06-03 |
| D1078025 | Ridge vent | Grayson M. Griffin, Fernando A. Gamez-Rivas | 2025-06-03 |
| D908860 | Insulated cover for whole-house fan | Grayson M. Griffin | 2021-01-26 |
| D903089 | Low profile vent | Grayson M. Griffin | 2020-11-24 |
| D884143 | Roof vent | Grayson M. Griffin, Rochelle D. Wellhausen-Grimm | 2020-05-12 |
| 10584496 | Roof ridge vent and associated method | Grayson M. Griffin, Rochelle D. Wellhausen-Grimm | 2020-03-10 |
| 10502450 | Insulated cover for whole-house fan | Grayson M. Griffin | 2019-12-10 |
| 10428530 | Entangled mesh roof vent with integrated external baffle | Grayson M. Griffin | 2019-10-01 |
| D842977 | Insulated cover for whole-house fan | Grayson M. Griffin | 2019-03-12 |
| 9890965 | Roof ridge vent and ventilated roof employing same | Andrew Frederick Lindahl | 2018-02-13 |
| 8790167 | Roof ridge vent and ventilated roof employing same | Andrew Frederick Lindahl | 2014-07-29 |
| 8292707 | Off-peak air intake vent | Phillip Grisham | 2012-10-23 |
| D654161 | Roof vent and sealing element therefor | Andrew Frederick Lindahl | 2012-02-14 |
| D574947 | Off-peak intake vent | Phillip Grisham | 2008-08-12 |