IP Library › Assignment 023124/0745
Patent Assignment
Reel/Frame 023124/0745

Assignment of Assignor's Interest

Recorded: 2009-08-20 Pages: 5
Assignors
CHRISTIE, MICHAEL J.
Executed: 2009-06-01
GORDON, STUART
Executed: 2009-05-28
BROWN, IRVINE C.
Executed: 2009-06-02
REID, MICHAEL A.
Executed: 2009-06-01
Assignee
RED SPIDER TECHNOLOGY LIMITED
PEREGRINE ROAD, WESTHILL, ABERDEENSHIRE, AB32 6JL, UNITED KINGDOM
Covered Property (1)
Downhole Apparatus Having a Rotating Valve Member
Patent: 8,522,886 →
Application: 12/312,047 →
Publication: US 2010/0071896
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 16, 2013
From: RED SPIDER TECHNOLOGY LIMITED
To: HALLIBURTON MANUFACTURING & SERVICES LIMITED
Reel/Frame 031213/0489 →