DC

Demu Chen

Overall (All Time): #1,686,346 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D857628 Helical gear motor Zhiming Tong, Guangpei Fu 2019-08-27
D856279 Helical-bevel gear motor Zhiming Tong, Guangpei Fu 2019-08-13
D855022 Helical worm gear motor Zhiming Tong, Guangpei Fu 2019-07-30