IP Library › Assignment 018647/0595
Patent Assignment
Reel/Frame 018647/0595

Assignment of Assignor's Interest

Recorded: 2006-12-18 Pages: 5
Assignors
SIERRA, JOSE
Executed: 2006-12-12
JOHNSON, DAVID O.
Executed: 2006-05-26
Assignee
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD, HOUSTON, TEXAS, 77072
Covered Property (1)
Pressure Communication Assembly External to Casing with Connectivity to Pressure Source
Patent: 7,637,318 →
Application: 11/394,139 →
Publication: US 2007/0235186
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 18, 2007
From: HALLIBURTON ENERGY SERVICES, INC.
To: WELLDYNAMICS, B.V.
Reel/Frame 018767/0859 →
Assignment of Assignor's Interest Sep 5, 2007
From: HALLIBURTON ENERGY SERVICES, INC.
To: WELLDYNAMICS, B.V.
Reel/Frame 019781/0406 →