Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D294387 | Fascia-mounted roof ventilator | Colin Gibson | 1988-02-23 |
| 4660463 | Roof space ventilator | Paul Bottomore | 1987-04-28 |
| 4607566 | Ventilator for use in a roof structure | Colin Gibson | 1986-08-26 |