Patent Assignment
Reel/Frame 032902/0007
Assignment of Assignor's Interest
Recorded: 2014-05-15
Pages: 3
Assignee
OIL STATES ENERGY SERVICES, L.L.C.
333 CLAY STREET, SUITE 4980, HOUSTON, TEXAS, 77002
Covered Property
(1)
Controlled Aperture Ball Drop
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.