Patent Assignment
Reel/Frame 022088/0018
Assignment of Assignor's Interest
Recorded: 2009-01-08
Pages: 5
Assignors
HOWELL, ALAN
Executed: 2008-10-30
BARNES, MICHAEL
Executed: 2008-10-30
KARBS, RANDY
Executed: 2008-10-30
ROYZEN, ARCADY
Executed: 2008-10-30
Assignee
WOOD GROUP ESP
5500 S.E. 58TH STREET, OKLAHOMA CITY, OKLAHOMA, 73135
Covered Property
(1)
Seal Section with Sand Trench
Patent:
8,246,328 →
Application:
12/350,297 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.