YZ

Yongchun Zeng

Overall (2017): #89,812 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9844295 Coffee machine Jiangang Guo, Hou Xiong 2017-12-19
9554666 Brewing mechanism of coffee machine Jiangang Guo, Hou Xiong 2017-01-31