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Patent Assignment Assignor Details
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Assignor Name : TSENG, AMY M.
Total Assignments: 7
Assignment: 1
Reel/Frame:007002/0717   Pages: 3
Recorded: 05/09/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/06/1994
2
Exec Dt:
05/06/1994
3
Exec Dt:
05/06/1994
4
Exec Dt:
05/06/1994
Assignee
1
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08239802
Correspondence name and address
JOSEPH B. BARRETT
PATENT & LICENSING DEPT.
NALCO CHEMICAL COMPANY
ONE NALCO CENTER
NAPERVILLE, IL. 60563-1198
Assignment: 2
Reel/Frame:007005/0004   Pages: 3
Recorded: 05/09/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/06/1994
2
Exec Dt:
05/06/1994
3
Exec Dt:
05/06/1994
4
Exec Dt:
05/06/1994
Assignee
1
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08239807
Correspondence name and address
JOSEPH B. BARRETT
NALCO CHEMICAL COMPANY
PATENT & LICENSING DEPT.
ONE NALCO CENTER
NAPERVILLE, IL 60563-1198
Assignment: 3
Reel/Frame:009690/0218   Pages: 3
Recorded: 11/23/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/12/1998
2
Exec Dt:
10/12/1998
3
Exec Dt:
10/12/1998
Assignee
1
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09164045
Correspondence name and address
NALCO CHEMICAL COMPANY
ELAINE M. RAMESH
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
Assignment: 4
Reel/Frame:019119/0159   Pages: 4
Recorded: 04/05/2007
Attorney Dkt #:7912
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/02/2007
2
Exec Dt:
03/28/2007
3
Exec Dt:
03/28/2007
Assignee
1
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11696760
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT AND LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 5
Reel/Frame:019119/0728   Pages: 4
Recorded: 04/05/2007
Attorney Dkt #:8019
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/28/2007
2
Exec Dt:
03/28/2007
3
Exec Dt:
04/02/2007
Assignee
1
1601 W. DIEHL ROAD
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11696797
Correspondence name and address
NALCO COMPANY
1601 W. DIEHL ROAD
PATENT AND LICENSING DEPT.
NAPERVILLE, IL 60563-1198
Assignment: 6
Reel/Frame:033230/0536   Pages: 4
Recorded: 07/02/2014
Attorney Dkt #:8510USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/06/2013
2
Exec Dt:
02/05/2013
3
Exec Dt:
03/20/2013
Assignee
1
1601 WEST DIEHL ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14322009
Correspondence name and address
NALCO COMPANY
655 LONE OAK DRIVE
EAGAN, MN 55121
Assignment: 7
Reel/Frame:035094/0264   Pages: 8
Recorded: 03/05/2015
Attorney Dkt #:PT10444US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/20/2015
2
Exec Dt:
12/23/2014
3
Exec Dt:
03/05/2015
Assignee
1
370 NORTH WABASHA STREET
ST. PAUL, MINNESOTA 55102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14575060
Correspondence name and address
ECOLAB USA INC.
MAIL STOP ESC-F7, 655 LONE OAK DRIVE
EAGAN, MN 55121

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