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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
09/17/1991
Application #:
07466237
Filing Dt:
01/17/1990
Inventors:
LAWRENCE TAYLOR III, JOHN W. CHISHOLM, PHILIP T. THAYER
Title:
SURFACE LOCATED ISOTOPE TRACER INJECTION APPARATUS
Assignment: 1
Reel/Frame:
005226/0698Recorded: 01/17/1990Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
01/15/1990
Exec Dt:
01/15/1990
Exec Dt:
01/15/1990
Assignee:
Correspondent:
GUNN, LEE & MILLER
ELEVEN GREENWAY PLAZA, STE. 1616
HOUSTON, TX 77046
Assignment: 2
Reel/Frame:
009748/0643Recorded: 02/11/1999Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/31/1998
Assignee:
5295 HOLLISTER ROAD
HOUSTON, TEXAS 77040
Correspondent:
MADAN & MORRIS, P.L.L.C.
PAUL S. MADAN
2603 AUGUSTA, SUITE 700
HOUSTON, TEXAS 77057
Assignment: 3
Reel/Frame:
018433/0623Recorded: 10/26/2006Pages: 3
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/30/2001
Assignee:
6316 WINDFERN
HOUSTON, TEXAS 77040
Correspondent:
CHANDRAN D. KUMAR
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057

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