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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
06/05/1984
Application #:
06457342
Filing Dt:
01/12/1983
Inventors:
LARRY D. MARTIN, GARY W. BRADLEY
Title:
METHOD OF REMOVING COPPER AND COPPER OXIDE FROM A FERROUS METAL SURFACE
Assignment: 1
Reel/Frame:
004116/0679Recorded: 04/18/1983Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
02/14/1983
Exec Dt:
04/09/1983
Assignee:
A CORP. OF DE
DUNCAN, OKLAHOMA
Correspondent:
EDWARD F. SHERER
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536
Assignment: 2
Reel/Frame:
007312/0092Recorded: 01/26/1995Pages: 9
Conveyance:
SUPPLEMENTAL PATENT SECURITY AGREEMENT
Assignor:
Exec Dt:
01/10/1995
Assignee:
500 WEST MONROE
CHICAGO, ILLINOIS 60661
Correspondent:
P. WESTON MUSSELMAN, JR.
JENKENS & GILCHRIST, P.C.
1445 ROSS AVENUE
SUITE 3200
DALLAS, TEXAS 75202-2799
Assignment: 3
Reel/Frame:
008715/0459Recorded: 09/12/1997Pages: 6
Conveyance:
RELEASE
Assignor:
Exec Dt:
08/01/1997
Assignee:
6210 ROTHWAY
HOUSTON, TEXAS 77040
Correspondent:
CASSELL & STONE, L.L.P.
PAUL A. WEHRMANN
5956 SHERRY LANE, SUITE 1400
DALLAS, TEXAS 75225

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