IP Library › Assignment 025900/0512
Patent Assignment
Reel/Frame 025900/0512

Assignment of Assignor's Interest

Recorded: 2011-03-04 Pages: 4
Assignors
CHATTERJEE, DILIP K.
Executed: 2011-02-07
WU, SHANGHUA
Executed: 2011-02-07
XIE, YUMING
Executed: 2011-02-07
COKER, CHRISTOPHER E.
Executed: 2011-02-07
Assignee
OXANE MATERIALS, INC.
467 WEST 38TH STREET, PINE FOREST OFFICE BUILDING NO. 21, HOUSTON, TEXAS, 77018
Covered Property (1)
Extrusion Process For Proppant Production
Application: 61/435,938 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jul 23, 2015
From: OXANE MATERIALS, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 036174/0785 →