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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
07/09/1985
Application #:
06518158
Filing Dt:
07/28/1983
Inventors:
JOHN W. GRAHAM, A. RICHARD SINCLAIR
Title:
METHOD OF ACIDIZING PROPPED FRACTURES
Assignment: 1
Reel/Frame:
004223/0217Recorded: 01/06/1984Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
12/29/1983
Exec Dt:
12/29/1983
Assignee:
2916 WEST T.C. JESTER
A CORP OF TX
HOUSTON, TEXAS 77018
Correspondent:
MICHAEL E. MACKLIN
ARNOLD, WHITE & DURKEE
P. O. BOX 4433
HOUSTON, TX 77210
Assignment: 2
Reel/Frame:
004223/0218Recorded: 01/06/1984Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
12/29/1983
Exec Dt:
12/29/1983
Assignee:
2916 WEST T.C. JESTER
A CORP OF TX
HOUSTON, TEXAS 77018
Correspondent:
MICHAEL MACKLIN
ARNOLD, WHITE & DURKEE
P.O. BOX 4433
HOUSTON, TX 77210
Assignment: 3
Reel/Frame:
005826/0106Recorded: 09/09/1991Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/31/1991
Assignee:
11830 RAVENNA RD.,
CHARDON, OHIO 44024
Correspondent:
JEANNE E. LONGMUIR
CALFEE, HALTER & GRISWOLD
1800 SOCIETY BUILDING
EAST NINTH & SUPERIOR
CLEVELAND, OH 44114-2688
Assignment: 4
Reel/Frame:
007961/0066Recorded: 04/08/1996Pages: 15
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Assignee:
1900 EAST NINTH STREET
NATIONAL CITY CENTER
CLEVELAND, OHIO 44101
Correspondent:
BUCHANAN INGERSOLL
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 5
Reel/Frame:
008639/0218Recorded: 07/10/1997Pages: 17
Conveyance:
SECURITY AGREEMENT
Assignors:
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Exec Dt:
02/29/1996
Assignee:
NATIONAL CITY CENTER
1900 EAST NINTH STREET
CLEVELAND, OHIO 44101
Correspondent:
BUCHANAN INGERSOLL, P.C.
MICHAEL L. DEVER
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219

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