XL

Xiangfu Li

📍 Shandong, CN: #981 of 2,138 inventorsTop 50%
Overall (All Time): #2,775,662 of 4,157,543Top 70%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10563468 Automatic auxiliary workover rig Shuwang Hou, Hongjie Zhao, Chongzhen Zhao, Renhua Ba, Tonghai Yang +2 more 2020-02-18