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Patent Assignment Abstract of Title
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Total Assignments: 6
Patent #:
Issue Dt:
Application #:
05800902
Filing Dt:
Inventors:
*** EXPO DATA IS NOT AVAILABLE FOR THIS RECORD ***
Title:
APPARATUS AND METHODS FOR TESTING EARTH FORMATIONS
Assignment: 1
Reel/Frame:
003841/0850Recorded: 03/27/1981Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
09/14/1979
Assignee:
FORT WORTH, TEXAS
Correspondent:
FELSMAN AND BRADLEY
900 BKER BLDG.
110 WEST 7TH ST.
FORT WORTH, TEXAS 76102
Assignment: 2
Reel/Frame:
003841/0848Recorded: 03/27/1981Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
01/09/1981
Assignee:
FORT WORTH, TEXAS
Correspondent:
FELSMAN AND BRDLEY
900 BAKER BLDG.
110 WEST 7TH ST.
FORT WORTH, TX 76102
Assignment: 3
Reel/Frame:
003841/0845Recorded: 03/27/1981Pages: 3
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/10/1981
Assignee:
FORT WORTH, TEXAS
Correspondent:
FELSMAN AND BRADLEY
900 BAKER BLDG.
110 WEST 7TH ST
FORT WORTH, TX 76102
Assignment: 4
Reel/Frame:
003961/0350Recorded: 03/25/1982Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/01/1981
Assignee:
Correspondent:
FELSMAN & BRADLEY
110 WEST 7TH ST.
FORT WORTH, TX. 76102
Assignment: 5
Reel/Frame:
005050/0861Recorded: 08/08/1988Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/09/1988
Assignee:
3900 ESSEX,
HOUSTON,, TEXAS 77027
Correspondent:
JAMES E. BRADLEY
PATENTS & TECHNOLOGY MGMNT.
HUGHES TOOL CO.
P. O. BOX 2539
HOUSTON, TX 77252-2539
Assignment: 6
Reel/Frame:
005852/0291Recorded: 09/25/1991Pages: 7
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/23/1990
Assignee:
A CORP. OF DE.
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77072
Correspondent:
CHARLES D. GUNTER, JR.
FELSMAN, BRADLEY, GUNTER & DILLON
2600 CONTINENTAL PLAZA
777 MAIN STREET
FORT WORTH, TX. 76102

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