Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331610 | Tubing head spools with orientation feature | David John Walker, Darren Hatton | 2025-06-17 |
| 12065904 | Fully integrated flow control module | Stephen Mackin, Emma Stewart | 2024-08-20 |
| 5038419 | Pool cover draining device | William Edward MacDonald | 1991-08-13 |
| 4815152 | Pool cover movement limiting device | William Edward MacDonald | 1989-03-28 |
| 4686717 | Pool cover extending and retracting device | William Edward MacDonald | 1987-08-18 |