Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7335305 | Sequential batch reactor and wastewater treatment process | William Cheuk, Raymond Wong, Peter Doig, Bud Fraser | 2008-02-26 |
| 6624405 | BIST for testing a current-voltage conversion amplifier | Dan Ion Hariton | 2003-09-23 |
| 5570881 | Scoring equipment for a sword contest sport | — | 1996-11-05 |