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Patent Assignment Details
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Reel/Frame:013438/0022   Pages: 2
Recorded: 10/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
08/31/1993
Application #:
07911983
Filing Dt:
07/10/1992
Title:
VALVE ASSEMBLY APPARATUS USING TRAVELLING ISOLATION PIPE
Assignor
1
Exec Dt:
09/20/2002
Assignee
1
500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Correspondence name and address
BAKER BOTTS L.L.P.
PAUL R. MORICO
ONE SHELL PLAZA
910 LOUISIANA STREET
HOUSTON, TX 77002-4995

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