IP Library › Assignment 037144/0511
Patent Assignment
Reel/Frame 037144/0511

Assignment of Assignor's Interest

Recorded: 2015-11-25 Pages: 3
Assignor
ZHOU, SHAOHUA
Executed: 2015-11-03
Assignee
SAUDI ARABIAN OIL COMPANY
1 EASTERN AVENUE, DHAHRAN, 31311, SAUDI ARABIA
Covered Property (1)
Stage Cementing Tool and Method
Patent: 9,945,206 →
Application: 14/952,721 →
Publication: US 2017/0145784