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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
01/24/1984
Application #:
06405055
Filing Dt:
08/04/1982
Inventor:
JEREMIAH J. FITZGIBBON
Title:
SINTERED SPHERICAL PELLETS CONTAINING CLAY AS A MAJOR COMPONENT USEFUL FOR GAS AND OIL WELL PROPPANTS
Assignment: 1
Reel/Frame:
004815/0036Recorded: 06/25/1987Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE DEC. 31, 1986. (SEE DOCUMENT FOR DETAILS)
Assignor:
Exec Dt:
02/20/1987
Assignee:
Correspondent:
KENNECOTT CORPORATION
200 PUBLIC SQUARE 36- F-3454
CLEVELAND OHIO 44114-2375
Assignment: 2
Reel/Frame:
004815/0079Recorded: 06/25/1987Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/20/1987
Assignee:
Correspondent:
KENNECOTT CORPORATION
200 PUBLIC SQUARE 36 -F-3454
CLEVELAND, OHIO 44114-2375
Assignment: 3
Reel/Frame:
004842/0275Recorded: 03/24/1988Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/18/1988
Assignee:
200 PUBLIC SQUARE
CLEVELAND, OHIO 44114
Correspondent:
JAMES H. RILEY II
PRAVEL, GAMBRELL, HEWITT, KIMBALL, ET AL
1177 WEST LOOP SOUTH, TENTH FLOOR
HOUSTON, TEXAS 77027-9095
Assignment: 4
Reel/Frame:
005093/0093Recorded: 05/26/1989Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/27/1989
Assignee:
600 E. LAS COLINAS BOULEVARD
SUITE 1520
IRVING, TEXAS 75039
Correspondent:
PRAVEL, GAMBRELL, HEWITT, ET AL.
1177 WEST LOOP SOUTH, TENTH FLOOR
HOUSTON, TX 77027-9095

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