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Patent Assignment Assignor Details
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Assignor Name : DIDWANIA, HANUMAN P.
Total Assignments: 3
Assignment: 1
Reel/Frame:007565/0380   Pages: 3
Recorded: 07/31/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/19/1995
2
Exec Dt:
06/16/1995
Assignee
1
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
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NONE
08484112
Correspondence name and address
NALCO CHEMICAL COMPANY
JAMES J. DRAKE, PATENT & LCENSING DEPT.
ONE NALCO CENTER
NAPERVILLE, IL 60563-1198
Assignment: 2
Reel/Frame:009188/0427   Pages: 3
Recorded: 05/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/12/1997
2
Exec Dt:
12/12/1997
Assignee
1
450 EAST NORTH AVENUE
CAROL STREAM, ILLINOIS 60188
Property
 
Pat #
Pub #
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NONE
08996546
Correspondence name and address
BIEBEL & FRENCH
GILBERT N. HENDERSON
2500 KETTERING TOWER
DAYTON, OH 45423
Assignment: 3
Reel/Frame:009633/0630   Pages: 3
Recorded: 12/14/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
09/22/1998
Assignee
1
8182 MARYLAND AVENUE
ST. LOUIS, MISSOURI 63105
Property
 
Pat #
Pub #
Intl #
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NONE
08597828
Correspondence name and address
BIEBEL & FRENCH
GILBERT N. HENDERSON
35 EAST FIRST STREET
DAYTON, OH 45402

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