Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550170 | Pole-mounted sign | Garry Cooper | 2003-04-22 |
| 4928201 | Current collector | Gordon V. Ritchie | 1990-05-22 |
| 4594500 | Electrically heated pump for spas and swimming pools | — | 1986-06-10 |