| D869682 |
Dual-cartridge dispenser for paste |
Chieh-Yu Cheng, Chu-Chen Wang, Chung-Chieh Lee |
2019-12-10 |
| 9981233 |
Portable mixer and dispenser for multi-component substances |
Chieh-Yu Cheng, Chu-Chen Wang, Chung-Chieh Lee |
2018-05-29 |
| 9827539 |
Dynamic mixer head |
Chieh-Yu Cheng, Chu-Chen Wang, Chung-Chieh Lee |
2017-11-28 |
| D792177 |
Head for a dual-cartridge dispenser |
Chieh-Yu Cheng, Chu-Chen Wang, Chung-Chieh Lee |
2017-07-18 |
| 8365958 |
Device for mixing and discharging plural materials |
Chung-Chieh Lee |
2013-02-05 |
| D657467 |
Side tooth mold |
Chung-Chieh Lee |
2012-04-10 |
| 8066510 |
Dental agent applicator |
Chung-Chieh Lee |
2011-11-29 |
| 8029281 |
Separating ring |
— |
2011-10-04 |
| 7988450 |
Dental impression tray and method of using the same |
Chung-Chieh Lee |
2011-08-02 |
| 7387432 |
Slidable securing device for a mixer to allow communication between a mixer housing and a mixer inlet portion of the mixer |
Li-Chuan Lu |
2008-06-17 |
| 5951285 |
Dental sandblasting confiner |
— |
1999-09-14 |
| 5356292 |
Dental sandblasting confiner |
— |
1994-10-18 |