Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D746227 | Battery charger | Justin Bruce Lemire-Elmore, Robert James Campbell | 2015-12-29 |
| 7616455 | Power factor correction using current sensing on an output | Haakon MacCallum | 2009-11-10 |
| D492251 | Power supply | Kenneth Allan Fielding, Dennis Keith Ho | 2004-06-29 |
| 6068513 | DC connection method | Samson Chun-Tat Wong, Jarmo Kalevi Venalainen | 2000-05-30 |
| 6028426 | Temperature compensated current measurement device | Haakon MacCallum | 2000-02-22 |
| 5949640 | Power inverter with re-orientable display panel and AC port modules | Samson Chun-Tat Wong | 1999-09-07 |
| D413567 | DC to AC power inverter | Edward Andre Person, Matthew Sean Kuzminski, Samson Chun-Tat Wong, Kenneth Allan Fielding | 1999-09-07 |