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Patent Assignment Assignor Details
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Assignor Name : DUBIN, LEONARD
Total Assignments: 10
Assignment: 1
Reel/Frame:004029/0766   Pages: 1
Recorded: 08/30/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBIN, LEONARD
Exec Dt:
04/02/1981
Assignee
1
NALCO CHEMICAL COMPANY, A CORP OF DE
OAK BROOK, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4361492
NONE
06252695
Correspondence name and address
JOHN G. PREMO
NALCO CHEMICAL CO.
PATENT & LINCENSING DEPT.
2901 BUTTERFIELD RD.
OAK BROOK, IL 60521
Assignment: 2
Reel/Frame:004139/0500   Pages: 1
Recorded: 06/15/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBIN, LEONARD
Exec Dt:
08/19/1981
Assignee
1
NALCO CHEMICAL COMPANY
A DE CORP
OAK BROOK, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4431547
NONE
06447922
Correspondence name and address
JOHN G. PREMO
NALCO CHEMICAL CO.
PAT. & LICENSING DEPT.
2901 BUTTERFIELD ROAD
OAK BROOK, IL 60521
Assignment: 3
Reel/Frame:004401/0395   Pages: 1
Recorded: 05/17/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBIN, LEONARD
Exec Dt:
06/25/1984
Assignee
1
NALCO CHEMICAL COMPANY, A DE CORP
OAK BROOK, ILLINOIS 60521
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4532047
NONE
06626173
Correspondence name and address
JOHN G. PREMO
PATENT & LICENSING DEPT.
NALCO CHEMICAL CO.
2901 BUTTERFIELD RD.
OAK BROOK, IL 60521
Assignment: 4
Reel/Frame:004440/0811   Pages: 1
Recorded: 08/15/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBIN, LEONARD
Exec Dt:
06/26/1984
Assignee
1
NALCO CHEMICAL COMPANY, OAK BROOK, IL., A CORP. OF DE.
ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4584104
NONE
06626348
Correspondence name and address
JOHN G. PREMO
PATENT & LICENSING DEPT.
NALCO CHEMICAL CO.
2901 BUTTERFIELD ROAD
OAK BROOK, IL 60521
Assignment: 5
Reel/Frame:004590/0862   Pages: 1
Recorded: 08/11/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBIN, LEONARD
Exec Dt:
08/07/1986
Assignee
1
NALCO CHEMICAL COMPANY, A DE. CORP.
NAPERVILLE, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4676910
NONE
06895079
Correspondence name and address
JOHN G. PREMO
PATENT & LICENSING DEPT.
NALCO CHEMICAL COMPANY
ONE NALCO CENTER
NAPERVILLE, IL 60566-1024
Assignment: 6
Reel/Frame:005243/0107   Pages: 1
Recorded: 03/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBIN, LEONARD
Exec Dt:
01/24/1990
Assignee
1
NALCO CHEMICAL COMPANY
A CORP. OF DE
NAPERVILLE, ILLINOIS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5037483
NONE
07472525
Correspondence name and address
ROBERT A. MILLER
PATENT & LICENSING DEPT.
NALCO CHEMICAL COMPANY
ONE NALCO CENTER
NAPERVILLE, IL 60563-1198
Assignment: 7
Reel/Frame:005984/0817   Pages: 5
Recorded: 01/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DUBIN, LEONARD
Exec Dt:
11/22/1991
2
EPPERLY, W. ROBERT
Exec Dt:
11/21/1991
3
SPRAGUE, BARRY N.
Exec Dt:
11/13/1991
4
VON HARPE, THURE
Exec Dt:
10/28/1991
Assignee
1
NALCO FUEL TECH
A DE GENERAL PARTNERSHIP
1001 FRONTENAC ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5441713
NONE
07770857
Correspondence name and address
THADDIUS J. CARVIS
ST. ONGE STEWARD JOHNSTON & REENS
986 BEDFORD ST.
STAMFORD, CT 06905
Assignment: 8
Reel/Frame:006342/0983   Pages: 4
Recorded: 10/08/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBIN, LEONARD
Exec Dt:
10/01/1992
Assignee
1
NALCO FUEL TECH
1001 FRONTENAC ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5284492
NONE
07958567
Correspondence name and address
THADDIUS J. CARVIS
ST. ONGE STEWARD JOHNSTON & REENS
986 BEDFORD STREET
STAMFORD, CT 06905
Assignment: 9
Reel/Frame:006340/0037   Pages: 5
Recorded: 11/23/1992
Conveyance: ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST
Assignors
1
DUBIN, LEONARD
Exec Dt:
11/04/1992
2
HOOTS, JOHN E.
Exec Dt:
11/04/1992
Assignees
1
NALCO CHEMICAL COMPANY
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
2
NALCO FUEL TECH
ONE NALCO CENTER
NAPERVILLE, ILLINOIS 60563-1198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5277135
NONE
07980600
Correspondence name and address
KINZER, PLYER, DORN, MCEACHERAN & JAMBOR
JAMES B. KINZER
55 EAST MONROE STREET
CHICAGO, IL 60603
Assignment: 10
Reel/Frame:007118/0276   Pages: 2
Recorded: 09/02/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBIN, LEONARD
Exec Dt:
08/17/1994
Assignee
1
NALCO FUEL TECH
1001 FRONTENAC ROAD
NAPERVILLE, ILLINOIS 60563
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5743922
NONE
08215504
Correspondence name and address
ST.ONGE STEWARD JOHNSTON & REENS
JAMES R. CARTIGLIA
986 BEDFORD STREET
STAMFORD, CT 06905

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