Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D708251 | Photographic flash head | Hung Lok Poon | 2014-07-01 |
| D698850 | Flash trigger receiver | Hung Lok Poon | 2014-02-04 |
| D688293 | Flash trigger transmitter | Hung Lok Poon | 2013-08-20 |