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Chieh-Yu Cheng

UN Unknown: 3 patents #41 of 3,359Top 2%
Overall (2017): #83,788 of 506,227Top 20%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9827539 Dynamic mixer head Phillip Phung-I Ho, Chu-Chen Wang, Chung-Chieh Lee 2017-11-28
D792177 Head for a dual-cartridge dispenser Phillip Phung-I Ho, Chu-Chen Wang, Chung-Chieh Lee 2017-07-18
9693838 Dual-barrel cartridge adaptor Chu-Chen Wang, Chung-Chieh Lee 2017-07-04