Patent Assignment
Reel/Frame 043747/0782
Assignment of Assignor's Interest
Recorded: 2017-09-30
Pages: 2
Assignor
SU, ZHISHEN
Executed: 2017-09-30
Assignee
DAQING DANNUO PETROLEUM TECHNOLOGY DEVELOPMENT CO., LTD.
NO.19,CHANGXIN ST., ETDZ, RANGHU DIST., DAQING, HEILONGJIANG, CHINA
Covered Property
(1)
Non-beam Pumping Unit Driven by a Motor Reduction Unit