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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
11/10/1992
Application #:
07159665
Filing Dt:
02/24/1988
Inventors:
ATISH GHOSH, GIRISH RAI
Title:
DIGITAL IMAGE PROCESSING TECHNIQUE INCLUDING IMPROVED GRAY SCALE COMPRESSION
Assignment: 1
Reel/Frame:
005693/0114Recorded: 05/17/1988Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
02/29/1988
Exec Dt:
05/07/1988
Assignee:
A CORP. OF DELAWARE
SHERMAN OAKS, CALIFORNIA
Correspondent:
NEUMAN, WILLIAMS, ANDERSON & OLSON
77 WEST WASHINGTON STREET
CHICAGO, IL 60602
Assignment: 2
Reel/Frame:
006066/0216Recorded: 04/03/1992Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/30/1992
Assignee:
A CORPORATION OF DE
2701 E. GRAUWYLER ROAD
IRVING, TEXAS 75061
Correspondent:
ROSS HOWISON CLAPP & KORN
MARTIN KORN, ESQ.
740 E. CAMPBELL ROAD STE. 900
RICHARDSON, TEXAS 75081
Assignment: 3
Reel/Frame:
006462/0646Recorded: 03/17/1993Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 03/12/1993
Assignor:
Exec Dt:
03/12/1993
Assignee:
2701 E. GRAUWYLER ROAD
IRVING, TEXAS 75061
Correspondent:
MARTIN KORN, ESQ.
740 E. CAMPBELL ROAD
SUITE 900
RICHARDSON, TX 75081
Assignment: 4
Reel/Frame:
010628/0792Recorded: 11/08/1999Pages: 28
Conveyance:
AMENDED AND RESTATED PATENT COLLATERAL ASSIGNMENT AND SECURITY AGREEMENT
Assignors:
Exec Dt:
08/31/1999
Exec Dt:
08/31/1999
Exec Dt:
08/31/1999
Exec Dt:
08/31/1999
Assignee:
100 FEDERAL STREET
BOSTON, MASSACHUSETTS 02110
Correspondent:
BINGHAM DANA LLP
MATTHEW J. COHEN, ESQ.
150 FEDERAL STREET
BOSTON, MA 02110

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