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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : HAZRATI, KATI
Total Assignments: 10
Assignment: 1
Reel/Frame:011014/0791   Pages: 4
Recorded: 07/19/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/29/1999
2
Exec Dt:
09/29/1999
3
Exec Dt:
09/29/1999
Assignee
1
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09408255
Correspondence name and address
W.R. GRACE & CO.-CONN.
CRAIG K. LEON
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 2
Reel/Frame:011569/0653   Pages: 3
Recorded: 02/21/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/13/1999
2
Exec Dt:
10/13/1999
Assignee
1
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09416785
Correspondence name and address
W.R. GRACE & CO.-CONN
CRAIG K. LEON, ESQ
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 3
Reel/Frame:011698/0223   Pages: 3
Recorded: 04/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/30/2001
2
Exec Dt:
04/05/2001
Assignee
1
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09416785
Correspondence name and address
W.R. GRACE & CO. - CONN.
CRAIG K. LEON, ESQ.
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 4
Reel/Frame:011825/0249   Pages: 4
Recorded: 05/14/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/30/2001
2
Exec Dt:
04/05/2001
Assignee
1
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10221248
Correspondence name and address
W.R. GRACE & CO.-CONN.
CRAIG K. LEON, ESQ.
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 5
Reel/Frame:013824/0991   Pages: 4
Recorded: 03/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/30/2001
2
Exec Dt:
04/05/2001
Assignee
1
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10221248
Correspondence name and address
W.R. GRACE & CO.-CONN.
CRAIG K. LEON
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 6
Reel/Frame:014668/0269   Pages: 4
Recorded: 11/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/14/2003
2
Exec Dt:
10/14/2003
3
Exec Dt:
10/14/2003
4
Exec Dt:
10/20/2003
Assignee
1
7500 GRACE DRIVE
PATENT DEPT.
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10689925
Correspondence name and address
W.R. GRACE & CO.-CONN.
CRAIG K. LEON
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 7
Reel/Frame:025945/0403   Pages: 7
Recorded: 03/14/2011
Attorney Dkt #:L3991-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/07/2008
2
Exec Dt:
04/07/2008
3
Exec Dt:
04/07/2008
Assignee
1
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
12933947
 
12933947
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 8
Reel/Frame:049196/0376   Pages: 5
Recorded: 05/16/2019
Attorney Dkt #:L4178-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/24/2015
2
Exec Dt:
09/22/2015
3
Exec Dt:
09/24/2015
Assignee
1
62 WHITTEMORE AVE
CAMBRIDGE, MASSACHUSETTS 02140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15170199
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE
CAMBRIDGE, MA 02140
Assignment: 9
Reel/Frame:060004/0138   Pages: 6
Recorded: 05/12/2022
Attorney Dkt #:L4188
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/04/2015
2
Exec Dt:
12/04/2015
3
Exec Dt:
12/04/2015
4
Exec Dt:
12/04/2015
Assignee
1
62 WHITTEMORE AVE
CAMBRIDGE, MASSACHUSETTS 02140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15781645
Correspondence name and address
XIAOLEI GU
100 RESEARCH DRIVE
WILMINGTON, MA 01887
Assignment: 10
Reel/Frame:059365/0545   Pages: 6
Recorded: 03/15/2022
Attorney Dkt #:L4200-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/16/2016
2
Exec Dt:
10/18/2016
3
Exec Dt:
10/20/2016
4
Exec Dt:
12/16/2016
5
Exec Dt:
12/20/2016
Assignee
1
62 WHITTEMORE AVE
CAMBRIDGE, MASSACHUSETTS 02140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16336518
Correspondence name and address
XIAOLEI GU
100 RESEARCH DRIVE
WILMINGTON, MA 01887

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