Patent Assignment
Reel/Frame 020536/0224
Corrective Assignment to Correct the Assignor's Name Previously Recorded on Reel 019689 Frame 0242. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest.
Recorded: 2008-02-20
Pages: 7
Assignor
VECTOR MAGNETICS, INC.
Executed: 2007-01-16
Assignee
HALLIBURTON ENERGY SERVICES, INC.
300 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032
Covered Property
(1)
Electromagnetically Determining the Relative Location of a Drill Bit Using a Solenoid Source Installed on a Steel Casing
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 3, 2007
From: VECTOR MAGNETICS LLC
To: VECTOR MAGNETICS, INC.
Reel/Frame 019689/0157 →
Assignment of Assignor's Interest
Aug 3, 2007
From: VECTOR MAGNETICS, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 019689/0242 →
Assignment of Assignor's Interest
Jan 21, 2008
From: KUCKES, ARTHUR F.; PITZER, RAHN
To: VECTOR MAGNETICS LLC
Reel/Frame 020392/0109 →