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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
07/07/1992
Application #:
07587879
Filing Dt:
09/25/1990
Inventor:
JO-ANN T. SCHWARTZ
Title:
SILICA MICROSPHERES, METHOD OF IMPROVING ATTRITION RESISTANCE
Assignment: 1
Reel/Frame:
005511/0733Recorded: 11/07/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
09/25/1990
Assignee:
A CORP. OF DE
WILMINGTON, DELAWARE
Correspondent:
ROBERT STEVENSON
PATENT DIVISION
LEGAL DEPARTMENT
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:
008639/0080Recorded: 08/05/1997Pages: 14
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/01/1996
Assignee:
3521 SILVERSIDE ROAD
WILMINGTON, DELAWARE 19810
Correspondent:
DCV LEGAL
JACQUELINE STEENSMA
3521 SILVERSIDE ROAD
WILMINGTON, DE 19810
Assignment: 3
Reel/Frame:
008698/0477Recorded: 09/02/1997Pages: 36
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/20/1997
Assignee:
60 EAST 42ND STREET
NEW YORK, NEW YORK 10017
Correspondent:
KAYE, SCHOLER, FIERMAN, HAYS, ET AL
NAOMI SHRENZEL
425 PARK AVENUE
NEW YORK, NY 10022
Assignment: 4
Reel/Frame:
010901/0336Recorded: 06/15/2000Pages: 31
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/20/2000
Assignee:
INTELLECTUAL PROPERTY ADMINISTRATION
P.O. BOX 58043, M/S 51UPD
SANTA CLARA, CALIFORNIA 95052
Correspondent:
AGILENT TECHNOLOGIES INC.
RECORD MANAGER
INTELLECTUAL PROPERTY ADMINISTRATION
P.O. BOX 58043, M/S 51UPD
SANTA CLARA, CA 95052-8043

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