Patent Assignment
Reel/Frame 035178/0079
Assignment of Assignor's Interest
Recorded: 2015-03-17
Pages: 3
Assignee
OIL STATES ENERGY SERVICES, LLC
333 CLAY STREET, SUITE 4620, HOUSTON, TEXAS, 77002
Covered Property
(1)
Ball Drop Wellhead Control Apparatus
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.