Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D640752 | Dinosaur shaped bubble blower | Joseph Wong Wai Ching, Siu Tsz Ming | 2011-06-28 |
| D640753 | Pig shaped bubble blower | Joseph Wong Wai Ching, Siu Tsz Ming | 2011-06-28 |
| D637240 | Cow shaped bubble blower | Joseph Wong Wai Ching, Siu Tsz Ming | 2011-05-03 |
| 7909673 | Bubble maker | Joseph Wong Wai Ching, Siu Tsz Ming | 2011-03-22 |
| D630258 | Dog shaped bubble blower | Joseph Wong Wai Ching, Siu Tsz Ming | 2011-01-04 |