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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
01/13/1987
Application #:
06764819
Filing Dt:
08/12/1985
Inventors:
JAMES L. ANDERSON, JAVAD PAKTINAT
Title:
METHOD OF FRACTURING A SUBTERRANEAN FORMATION
Assignment: 1
Reel/Frame:
004445/0634Recorded: 08/12/1985Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
08/01/1985
Assignee:
TEXAS
Correspondent:
ROBERT A. FELSMAN
PATENTS AND TECHNOLOGY MGMNT.
HUGHES TOOL COMPANY
P. O. BOX 2539
HOUSTON, TX 77001
Assignment: 2
Reel/Frame:
004445/0636Recorded: 08/12/1985Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
08/01/1985
Assignee:
HOUSTON, TEXAS
Correspondent:
ROBERT A. FELSMAN
PATENTS AND TECHNOLOGY MGMNT.
HUGHES TOOL COMPANY
P. O. BOX 2539
HOUSTON, TX 77001
Assignment: 3
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: 4
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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