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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
05/02/1989
Application #:
07088190
Filing Dt:
08/21/1987
Inventors:
NEIL E.S. THOMPSON, ROBERT G. ASPERGER
Title:
METHODS FOR TREATING HYDROCARBON RECOVERY OPERATIONS AND INDUSTRIAL WATERS
Assignment: 1
Reel/Frame:
004879/0860Recorded: 04/21/1988Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
10/30/1987
Exec Dt:
10/30/1987
Assignee:
100 NORTH BROADWAY
ST. LOUIS, MISSOURI 63102
Correspondent:
ROBERT E. WEXLER
369 MARSHALL AVENUE
ST. LOUIS, MO 63119
Assignment: 2
Reel/Frame:
008709/0825Recorded: 09/22/1997Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/02/1997
Assignee:
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Correspondent:
BAKER HUGHES INCORPORATED
MARYLN DAWSON
3900 ESSEX LANE, SUITE 1200
HOUSTON, TX 77027

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