IP Library Assignment 030435/0349
Patent Assignment
Reel/Frame 030435/0349

Assignment of Assignor's Interest

Recorded: 2013-05-17 Pages: 4
Assignor
Assignee
ANTON BAILIN OILFIELD TECHNOLOGIES (BEIJING) CO., LTD.
ROOM 215, 2ND FLOOR, APARTMENT NO. 2,, NO. 10 OF BAIFUQUAN ROAD, THE SCIENCE PARK, CHANGPING DISTRICT, BEIJING 102200, CHINA
Covered Property (1)
Method and System for Segmental Flow Control in Oil-Gas Well
Patent: 9,664,014 →
Application: 13/514,743 →
Publication: US 2012/0241168
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 20, 2012
From: PEI, BAILIN; XUE, YONG; ZHANG, SONGMEI
To: ANTON OILFIELD SERVICES (GROUP) LTD.
Reel/Frame 028410/0917 →