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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
12/09/1980
Application #:
06038261
Filing Dt:
05/11/1979
Inventor:
TOSHIAKI OGIWARA
Title:
DENITRIFICATION REACTOR
Assignment: 1
Reel/Frame:
005748/0283Recorded: 06/25/1991Pages: 14
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/07/1991
Assignee:
UNITED STATES
Correspondent:
ROPES & GRAY
ONE INTERNATIONAL PLACE
BOSTON, MA 02110-2624
ATTN: MICHELE M. GARVIN
Assignment: 2
Reel/Frame:
008013/0660Recorded: 06/24/1996Pages: 80
Conveyance:
COLLATERAL ASSIGNMENT OF COPYRIGHTS, PATENTS, TRADEMARKS AND LICENSES
Assignors:
Exec Dt:
05/09/1996
Exec Dt:
05/09/1996
Exec Dt:
05/09/1996
Exec Dt:
05/09/1996
Assignee:
ONE SOUTH WACKER DRIVE
CHICAGO, ILLINOIS 60606
Correspondent:
WINSTON & STRAWN
LAURA KNORATH
35 W. WACKER DRIVE
33RD FLOOR
CHICAGO, IL 60601
Assignment: 3
Reel/Frame:
009089/0915Recorded: 04/09/1998Pages: 17
Conveyance:
TERMINATION OF SECURITY INTEREST DATED AS OF APRIL 9, 1998
Assignor:
Exec Dt:
04/09/1998
Assignee:
SUITE 680
540 EDGEWATER PLACE
WAKEFIELD, MASSACHUSETTS 01880
Correspondent:
BINGHAM DANA LLP
JAMES P. CARRIGAN, ESQ.
150 FEDERAL STREET
BOSTON, MASSACHUSETTS 02110

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