Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1078023 | Ridge vent | Robert B. Holland | 2025-06-03 |
| D1078024 | Ridge vent | Robert B. Holland | 2025-06-03 |
| D1078025 | Ridge vent | Robert B. Holland, Fernando A. Gamez-Rivas | 2025-06-03 |
| D908860 | Insulated cover for whole-house fan | Robert B. Holland | 2021-01-26 |
| D903089 | Low profile vent | Robert B. Holland | 2020-11-24 |
| D884143 | Roof vent | Robert B. Holland, Rochelle D. Wellhausen-Grimm | 2020-05-12 |
| 10584496 | Roof ridge vent and associated method | Robert B. Holland, Rochelle D. Wellhausen-Grimm | 2020-03-10 |
| 10502450 | Insulated cover for whole-house fan | Robert B. Holland | 2019-12-10 |
| 10428530 | Entangled mesh roof vent with integrated external baffle | Robert B. Holland | 2019-10-01 |
| D842977 | Insulated cover for whole-house fan | Robert B. Holland | 2019-03-12 |