Patent Assignment
Reel/Frame 037691/0009
Assignment of Assignor's Interest
Recorded: 2016-02-09
Pages: 3
Assignor
CHANG, FAKUEN FRANK
Executed: 2015-12-01
Assignee
SAUDI ARABIAN OIL COMPANY
1 EASTERN AVENUE, DHAHRAN, 31311, SAUDI ARABIA
Covered Property
(1)
Compositions of and Methods for Using Hydraulic Fracturing Fluid for Petroleum Production
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 9, 2016
From: BERGER, PAUL D.; LEE, CHRISTIE H.; MOHAPATRA, SUSANTA
To: OIL CHEM TECHNOLOGIES, INC.
Reel/Frame 037750/0606 →
Corrective Assignment to Correct the Inventor Execution Date Previously Recorded at Reel: 037691 Frame: 0009. Assignor(S) Hereby Confirms the Assignment.
Dec 8, 2016
From: CHANG, FAKUEN FRANK
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 040905/0279 →