Patent Assignment
Reel/Frame 047675/0477
Assignment of Assignor's Interest
Recorded: 2018-11-29
Pages: 3
Assignor
CNPC LOGGING
Executed: 2018-11-05
Assignee
XI'AN WELL-GOOD ENERGY TECHNOLOGY CO.,LTD.
ROOM 709, BLOCK A, XIJING INTERNATIONAL ELECTRIC CENTER, NO. 3 ELECTRONIC WEST STREET, YANTA DISTRICT, XI'AN, SHAANXI, CHINA, XI'AN, CHINA
Covered Property
(1)
Dissolvable, Variable-Diameter Metal Sealing and Fracturing Bridge Plug
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.