Patent Assignment
Reel/Frame 040089/0966
Assignment of Assignor's Interest
Recorded: 2016-09-20
Pages: 10
Assignors
ZHAO, LIANG
Executed: 2016-09-01
CHENG, XIAOMIN
Executed: 2016-09-18
CHEN, DEMIN
Executed: 2016-09-18
YANG, XIONGWEN
Executed: 2016-09-06
WANG, YONGHONG
Executed: 2016-09-09
LIU, YU
Executed: 2016-09-01
Assignee
CNPC USA CORPORATION
2901 WILCREST DRIVE, STE. 600, HOUSTON, TEXAS, 77042
Covered Property
(1)
Convex Ridge Type Non-Planar Cutting Tooth and Diamond Drill Bit