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Patent Assignment Assignor Details
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Assignor Name : WESTERHOF, WILHELMINA
Total Assignments: 6
Assignment: 1
Reel/Frame:007077/0121   Pages: 2
Recorded: 07/27/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/07/1991
2
Exec Dt:
01/07/1991
3
Exec Dt:
01/07/1991
4
Exec Dt:
01/07/1991
Assignee
1
MIJNWEG 1, 6167, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08003471
Correspondence name and address
KENDREW H. COLTON
CUSHMAN, DARBY & CUSHMAN
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR
WASHINGTON, DC 20005-3918
Assignment: 2
Reel/Frame:007101/0856   Pages: 2
Recorded: 08/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/10/1992
2
Exec Dt:
08/10/1992
3
Exec Dt:
08/10/1992
Assignee
1
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08216516
Correspondence name and address
CUSHMAN DARBY & CUSHMAN, L.L.P.
KENDREW H. COLTON
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 3
Reel/Frame:008281/0411   Pages: 2
Recorded: 11/22/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/19/1996
2
Exec Dt:
08/26/1996
3
Exec Dt:
08/19/1996
Assignee
1
HET OVERLOON 1,
6411 TE, HEERLEN, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08702872
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
KENDREW H. COLTON
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 4
Reel/Frame:037746/0024   Pages: 7
Recorded: 02/16/2016
Attorney Dkt #:BHD-4662-3123
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/02/2016
2
Exec Dt:
02/01/2016
3
Exec Dt:
02/01/2016
4
Exec Dt:
02/01/2016
5
Exec Dt:
02/02/2016
Assignee
1
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
14896566
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 5
Reel/Frame:038074/0786   Pages: 7
Recorded: 03/11/2016
Attorney Dkt #:BHD-4662-3124
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/02/2016
2
Exec Dt:
02/01/2016
3
Exec Dt:
02/01/2016
4
Exec Dt:
02/01/2016
5
Exec Dt:
02/02/2016
Assignee
1
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
14896790
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 6
Reel/Frame:064336/0526   Pages: 8
Recorded: 07/19/2023
Attorney Dkt #:2013P30352US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/02/2016
2
Exec Dt:
02/01/2016
3
Exec Dt:
02/01/2016
4
Exec Dt:
02/01/2016
5
Exec Dt:
02/02/2016
6
Exec Dt:
08/12/2019
Assignee
1
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16543497
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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