IP Library › Assignment 047675/0480
Patent Assignment
Reel/Frame 047675/0480

Assignment of Assignor's Interest

Recorded: 2018-11-29 Pages: 4
Assignor
ZHAO, BIN
Executed: 2018-11-05
Assignees
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
CNPC LOGGING
NO. 1 CHANGQING WEST ROAD, JINGHE INDUSTRIAL PARK, XI'AN, SHAANXI, CHINA, XI'AN, CHINA
Covered Property (1)
Dissolvable, Variable-Diameter Metal Sealing and Fracturing Bridge Plug
Application: 16/203,626 →
Publication: US 2020/0072021
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 29, 2018
From: CNPC LOGGING
To: XI'AN WELL-GOOD ENERGY TECHNOLOGY CO.,LTD.
Reel/Frame 047675/0477 →