Patent Assignment
Reel/Frame 027427/0927
Assignment of Assignor's Interest
Recorded: 2011-12-21
Pages: 3
Assignor
HUNTER, RICK C.
Executed: 2011-12-20
Assignee
VETCO GRAY INC.
4424 WEST SAM HOUSTON PARKWAY NORTH, SUITE 100, HOUSTON, TEXAS, 77041
Covered Property
(1)
Valve Vented Redundant Stem Seal System
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.