Patent Assignment
Reel/Frame 036174/0231
Assignment of Assignor's Interest
Recorded: 2015-07-24
Pages: 6
Assignors
LIN, CHIH
Executed: 2013-02-26
KOLTERMANN, TERRY J.
Executed: 2013-03-07
ZAHRADNIK, ANTON F
Executed: 2013-02-28
RICKS, GREGORY L.
Executed: 2013-03-05
Assignee
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118
Covered Property
(1)
Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Cone Drill Bits
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.