Patent Assignment
Reel/Frame 030520/0319
Assignment of Assignor's Interest
Recorded: 2013-05-31
Pages: 4
Assignee
SEAWELL OIL TOOLS AS
POSTBOKS 8037, STAVANGER, N-4068, NORWAY
Covered Property
(1)
Sleeve Valve with Permanent End Position
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.