IP Library › Assignment 029702/0452
Patent Assignment
Reel/Frame 029702/0452

Assignment of Assignor's Interest

Recorded: 2013-01-28 Pages: 2
Assignor
Assignee
SUZHOU SHARP-ROCK ENERGY DEVELOPMENT TECHNOLOGIES CO. LTD.
NO.9 ZHANYE ROAD, INDUSTRIAL PARK, SUZHOU, CHINA
Covered Property (1)
Method for Strengthening a Wellbore of a Well
Patent: 9,109,992 →
Application: 13/488,062 →
Publication: US 2013/0143777
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 5, 2012
From: WANG, HONG
To: SHARP-ROCK RESEARCH AND CONSULTING, LLC.
Reel/Frame 028317/0998 →
Assignment of Assignor's Interest Feb 7, 2014
From: SUZHOU SHARP-ROCK ENERGY DEVELOPMENT TECHNOLOGIES CO. LTD.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 032174/0899 →