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Patent Assignment Assignor Details
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Assignor Name : WIERCINSKI, ROBERT A.
Total Assignments: 33
Assignment: 1
Reel/Frame:004408/0862   Pages: 1
Recorded: 06/05/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
05/28/1985
2
WHICHER, STEPHEN J.
Exec Dt:
05/28/1985
Assignee
1
W. R. GRACE & CO.
62 WHITTEMORE AVENUE
A CORP OF CT
CAMBRIDGE, MASSACHUSETTS
Property
 
Pat #
Pub #
Intl #
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4600635
NONE
06723995
Correspondence name and address
JOHN J. WASATONIC
W. R. GRACE AND CO.
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 2
Reel/Frame:004412/0784   Pages: 1
Recorded: 06/05/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
05/28/1985
2
WHICHER, STEPHEN J.
Exec Dt:
05/28/1985
Assignee
1
W.R. GRACE & CO.
62 WHITTEMORE AVENUE
A CORP OF CONNECTICUT
CAMBRIDGE 40, MASSACHUSETTS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4595636
NONE
06724000
Correspondence name and address
JOHN J. WASATONIC
W. R. GRACE AND COMPANY
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 3
Reel/Frame:004943/0294   Pages: 2
Recorded: 09/12/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WIERCINSKI, ROBERT A.
Exec Dt:
09/02/1988
Assignee
1
W. R. GRACE & CO. - CONN., A CORP. OF CT
62 WHITTEMORE AVENUE
CAMBRIDGE, MASSACHUSETTS 02140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4897313
NONE
07214707
Correspondence name and address
W. R. GRACE & CO. - CONN.
7379 ROUTE 32
COLUMBIA, MARYLAND 21044
Assignment: 4
Reel/Frame:006225/0361   Pages: 4
Recorded: 08/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
07/13/1992
2
JENKINS, ROBERT F.
Exec Dt:
07/14/1992
3
GAIDIS, JAMES M.
Exec Dt:
07/27/1992
4
EHRLICH, SUSAN G.
Exec Dt:
07/27/1992
Assignee
1
W. R. GRACE & CO.-CONN., A CORP. OF CT
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5270373
NONE
07893487
Correspondence name and address
CRAIG K. LEON
W. R. GRACE & CO.-CONN.
PATENT DEPARTMENT
55 HAYDEN AVENUE
LEXINGTON, MA 02173
Assignment: 5
Reel/Frame:006740/0822   Pages: 5
Recorded: 10/25/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEROSA, MARC S.
Exec Dt:
09/01/1993
2
JENKINS, ROBERT F.
Exec Dt:
10/18/1993
3
WIERCINSKI, ROBERT A.
Exec Dt:
10/18/1993
4
AGAMBAR, STEPHEN J.
Exec Dt:
09/24/1993
Assignee
1
W. R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5406759
NONE
08101864
Correspondence name and address
W. R. GRACE & CO.-CONN.
CRAIG K. LEON
PATENT DEPT.
55 HAYDEN AVENUE
LEXINGTON, MA 02173
Assignment: 6
Reel/Frame:012046/0293   Pages: 2
Recorded: 08/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
08/14/2000
2
SETH, JYOTI
Exec Dt:
08/14/2000
Assignee
1
W.R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NY, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6500520
NONE
09638331
Correspondence name and address
PATENT DEPARTMENT W.R. GRACE & CO.-CONN.
CRAIG K. LEON
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 7
Reel/Frame:012619/0867   Pages: 4
Recorded: 02/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
01/14/2002
2
SETH, JYOTI
Exec Dt:
01/16/2002
3
BERKE, NEAL S.
Exec Dt:
01/08/2002
4
SANDBERG, PAUL J.
Exec Dt:
01/08/2002
Assignee
1
W.R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6500520
NONE
09638331
Correspondence name and address
W.R. GRACE & CO.-CONN.
CRAIG K. LEON
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 8
Reel/Frame:013194/0469   Pages: 8
Recorded: 08/14/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MORGAN, MICHAEL D.
Exec Dt:
07/25/2002
2
SUN, XIUDONG
Exec Dt:
08/06/2002
3
TENNENHOUSE, LAURA A.
Exec Dt:
08/01/2002
4
WIERCINSKI, ROBERT A.
Exec Dt:
05/20/2002
5
DAIR, BENITA
Exec Dt:
05/14/2002
6
ALDYKIEWICZ, ANTONIO J., JR.
Exec Dt:
05/20/2002
7
BABLOUZIAN, LEON
Exec Dt:
08/05/2002
8
SHAPIRO, LAWRENCE
Exec Dt:
07/31/2002
9
HURLEY, WILLIAM J., JR.
Exec Dt:
05/20/2002
Assignee
1
W.R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6698146
US20030079425
09999307
Correspondence name and address
W.R. GRACE & CO.-CONN.
CRAIG K. LEON
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 9
Reel/Frame:013550/0562   Pages: 4
Recorded: 12/02/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
11/04/2002
2
SUN, XIUDONG
Exec Dt:
11/06/2002
Assignee
1
W.R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6867254
US20030083423
10234654
Correspondence name and address
HAMILTON, BROOK, SMITH ET AL.
DAVID E. BROOK
530 VIRGINIA ROAD, P.O. BOX 9133
CONCORD, MA 01742-9133
Assignment: 10
Reel/Frame:016031/0811   Pages: 8
Recorded: 12/02/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MORGAN, MICHAEL D.
Exec Dt:
09/16/2003
2
SUN, XIUDONG
Exec Dt:
09/18/2003
3
TENNENHOUSE, LAURA A.
Exec Dt:
11/06/2004
4
WIERCINSKI, ROBERT A.
Exec Dt:
09/23/2003
5
ALDYKIEWICZ, ANTONIO J., JR.
Exec Dt:
09/16/2003
6
BABLOUZIAN, LEON
Exec Dt:
09/12/2003
7
SHAPIRO, LAWRENCE
Exec Dt:
09/24/2003
8
HURLEY, WILLIAM J., JR.
Exec Dt:
09/11/2003
Assignee
1
W.R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7152385
US20040045234
10655194
Correspondence name and address
CRAOG L. LEON
PATENT DEPARTMENT
W.R. GRACE & CO.-CONN.
62 WHITLEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 11
Reel/Frame:017304/0942   Pages: 5
Recorded: 02/24/2006
Attorney Dkt #:L3894-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
11/12/2004
2
SHAPIRO, LAWRENCE
Exec Dt:
11/14/2004
Assignee
1
W.R. GRACE & CO.-CONN
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060101785
11257511
Correspondence name and address
WILLIAM L. BAKER
PATENT DEPARTMENT
W.R. GRACE & CO, -CONN.
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 12
Reel/Frame:015710/0183   Pages: 6
Recorded: 02/11/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PANG, ROY H. L.
Exec Dt:
01/27/2005
2
WIERCINSKI, ROBERT A.
Exec Dt:
01/21/2005
Assignee
1
W.R. GRACE & COMPANY
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050129730
10958550
Correspondence name and address
LAHIVE & COCKFIELD, LLP
AMY E MANDRAGOURAS
28 STATE STREET
BOSTON, MA 02109
Assignment: 13
Reel/Frame:017331/0075   Pages: 3
Recorded: 03/10/2006
Attorney Dkt #:L3833-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WIERCINSKI, ROBERT A.
Exec Dt:
01/21/2005
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8524822
US20060155031
11314325
Correspondence name and address
CRAIG K. LEON
PATENT DEPARTMENT
W. R. GRACE & CO.-CONN.
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 14
Reel/Frame:016972/0381   Pages: 6
Recorded: 11/02/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
10/07/2005
2
ZALANOWSKI, DAVID P.
Exec Dt:
10/14/2005
3
WESTGATE, PAUL J.
Exec Dt:
10/14/2005
4
JACHIMOWICZ, FELEK
Exec Dt:
10/06/2005
Assignee
1
W.R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070044397
11199943
Correspondence name and address
WILLIAM L. BAKER
PATENT DEPARTMENT
W.R. GRACE & CO.-CONN.
62 WHITEMORE AVENUE
CAMBRIDGE, MASSACHUSETTS 02140
Assignment: 15
Reel/Frame:021615/0599   Pages: 3
Recorded: 10/01/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WIERCINSKI, ROBERT A.
Exec Dt:
10/24/2007
Assignee
1
W.R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7634877
US20090193743
12026743
Correspondence name and address
STEPHAN P. WILLIMS
PATENT DEPARTMENT
W.R. GRACE & CO.-CONN.
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 16
Reel/Frame:023359/0716   Pages: 6
Recorded: 10/08/2009
Attorney Dkt #:L4024-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERKE, NEAL S.
Exec Dt:
06/02/2009
2
MERRITT, JORDAN S.
Exec Dt:
06/03/2009
3
LI, LIANFANG
Exec Dt:
06/05/2009
4
ALDYKIEWICZ, ANTONIO J. JR.
Exec Dt:
06/03/2009
5
WIERCINSKI, ROBERT A.
Exec Dt:
06/05/2009
6
MORGAN, MICHAEL D.
Exec Dt:
06/03/2009
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7740694
US20080000386
11478872
Correspondence name and address
CRAIG K. LEON
PATENT DEPARTMENT
W. R. GRACE & CO.-CONN.
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 17
Reel/Frame:026718/0698   Pages: 7
Recorded: 08/04/2011
Attorney Dkt #:L4024-01
Conveyance: CORRECTED ASSIGNMENT TO CORRRECT THE APPLICATION NUMBER11/478,872 NUMBER SHOULD BE 12/478,872. PREVIOUSLY RECORDED ON REEL 023359 FRAME 0716.
Assignors
1
BERKE, NEAL S.
Exec Dt:
06/02/2009
2
MERRITT, JORDAN S.
Exec Dt:
06/03/2009
3
LI, LIANFANG
Exec Dt:
06/05/2009
4
ALDYKISWICZ, ANTONIO J., JR.
Exec Dt:
06/03/2009
5
WIERCINSKI, ROBERT A.
Exec Dt:
06/05/2009
6
MORGAN, MICHAEL D.
Exec Dt:
06/03/2009
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8277556
US20100310846
12478872
Correspondence name and address
CRAIG K. LEON
PATENT DEPARTMENT
W. R. GRACE & CO.-CONN.
62 WHITTEMORE AVENUE
CAMBRIDGE, MA 02140
Assignment: 18
Reel/Frame:023913/0747   Pages: 5
Recorded: 02/09/2010
Attorney Dkt #:L4032-02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMANTA, SUSNATA
Exec Dt:
09/24/2009
2
WIERCINSKI, ROBERT A.
Exec Dt:
09/24/2009
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8298661
US20100196648
12549780
Correspondence name and address
W. R. GRACE & CO.-CONN.
62 WHITTEMORE AVE.
PATENT DEPARTMENT
CAMBRIDGE, MA 02140
Assignment: 19
Reel/Frame:023913/0904   Pages: 5
Recorded: 02/09/2010
Attorney Dkt #:L4060-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMANTA, SUSNATA
Exec Dt:
09/24/2009
2
WIERCINSKI, ROBERT A.
Exec Dt:
09/24/2009
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8298662
US20110052852
12549810
Correspondence name and address
W. R. GRACE & CO.-CONN.
62 WHITTEMORE AVE.
PATENT DEPARTMENT
CAMBRIDGE, MA 02140
Assignment: 20
Reel/Frame:031164/0963   Pages: 5
Recorded: 09/09/2013
Attorney Dkt #:L3982-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAO, XIA
Exec Dt:
03/12/2010
2
WIERCINSKI, ROBERT A.
Exec Dt:
03/18/2010
3
BERKE, NEAL S.
Exec Dt:
03/12/2010
4
ALDYKIEWICZ, ANTONIO J.
Exec Dt:
04/06/2010
5
SETH, JYOTI
Exec Dt:
03/01/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
8748528
US20120231170
13512500
 
8748528
US20120231170
13512500
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 21
Reel/Frame:024365/0694   Pages: 9
Recorded: 05/11/2010
Attorney Dkt #:L4021-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
04/23/2010
2
CAO, XIA
Exec Dt:
05/07/2010
3
DING, HONGMEI
Exec Dt:
03/17/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8453405
NONE
13577460
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 22
Reel/Frame:030103/0857   Pages: 9
Recorded: 03/28/2013
Attorney Dkt #:L4021-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
04/23/2010
2
CAO, XIA
Exec Dt:
05/07/2010
3
DING, HONGMEI
Exec Dt:
03/17/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8453405
US20130008124
13577460
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 23
Reel/Frame:032438/0609   Pages: 9
Recorded: 03/14/2014
Attorney Dkt #:L4021-01-02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
04/23/2010
2
CAO, XIA
Exec Dt:
05/07/2010
3
DING, HONGMEI
Exec Dt:
03/17/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8713879
US20130247506
13891379
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 24
Reel/Frame:030104/0163   Pages: 4
Recorded: 03/28/2013
Attorney Dkt #:L4058-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
06/01/2010
2
RANGANATHAN, ANANDAKUMAR
Exec Dt:
09/24/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120180933
13434157
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 25
Reel/Frame:025076/0343   Pages: 5
Recorded: 10/01/2010
Attorney Dkt #:L3947-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
09/28/2010
2
SETH, JYOTI
Exec Dt:
09/30/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
US20100173110
12663081
 
NONE
US20100173110
12663081
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 26
Reel/Frame:025076/0480   Pages: 4
Recorded: 10/01/2010
Attorney Dkt #:L3964-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WIERCINSKI, ROBERT A.
Exec Dt:
09/28/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
US20100173112
12663085
 
NONE
US20100173112
12663085
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 27
Reel/Frame:030456/0990   Pages: 6
Recorded: 05/21/2013
Attorney Dkt #:L4076-01 & 02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
09/30/2010
2
RANGANATHAN, ANANDAKUMAR
Exec Dt:
10/05/2010
3
CAO, XIA
Exec Dt:
09/30/2010
4
PAUL, ROBERT
Exec Dt:
09/30/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
8931229
US20130104495
13642292
 
8931229
US20130104495
13642292
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 28
Reel/Frame:030457/0171   Pages: 6
Recorded: 05/21/2013
Attorney Dkt #:L4075-01 & 02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
09/30/2010
2
RANGANATHAN, ANANDAKUMAR
Exec Dt:
10/05/2010
3
CAO, XIA
Exec Dt:
09/30/2010
4
PAUL, ROBERT
Exec Dt:
09/30/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
8931228
US20130040104
13642281
 
8931228
US20130040104
13642281
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 29
Reel/Frame:030457/0296   Pages: 6
Recorded: 05/21/2013
Attorney Dkt #:L4074-01, 02 & 03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
09/30/2010
2
RANGANATHAN, ANANDAKUMAR
Exec Dt:
10/05/2010
3
CAO, XIA
Exec Dt:
09/30/2010
4
PAUL, ROBERT
Exec Dt:
09/30/2010
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9394464
NONE
13642265
 
9394464
US20130037989
13642265
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 30
Reel/Frame:027890/0367   Pages: 4
Recorded: 03/20/2012
Attorney Dkt #:L3997-02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
04/19/2011
2
RANGANATHAN, ANANDAKUMAR
Exec Dt:
04/19/2011
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
8609213
US20110217528
13124977
 
8609213
US20110217528
13124977
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 31
Reel/Frame:036237/0900   Pages: 4
Recorded: 08/03/2015
Attorney Dkt #:L3997-03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
04/19/2011
2
RANGANTHAN, ANANDAKUMAR
Exec Dt:
04/19/2011
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9133612
US20130337162
13974545
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 32
Reel/Frame:037635/0518   Pages: 6
Recorded: 02/01/2016
Attorney Dkt #:L4117-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIERCINSKI, ROBERT A.
Exec Dt:
01/13/2012
2
RANGANATHAN, ANANDAKUMAR
Exec Dt:
01/13/2012
3
CAO, XIA
Exec Dt:
01/13/2012
4
PAUL, ROBERT
Exec Dt:
01/13/2012
Assignee
1
W. R. GRACE & CO.-CONN.
7500 GRACE DRIVE
COLUMBIA, MARYLAND 21044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9476196
US20150052847
14353676
Correspondence name and address
XIAOLEI GU
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 33
Reel/Frame:062508/0744   Pages: 5
Recorded: 01/25/2023
Attorney Dkt #:L4237
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RANGANATHAN, ANANDAKUMAR
Exec Dt:
06/01/2018
2
WIERCINSKI, ROBERT A.
Exec Dt:
06/01/2018
3
SETH, JYOTI
Exec Dt:
06/01/2018
Assignee
1
GCP APPLIED TECHNOLOGIES INC.
62 WHITTEMORE AVE.
CAMBRIDGE, MASSACHUSETTS 02140
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200130334
16619792
Correspondence name and address
XIAOLEI GU
100 RESEARCH DRIVE
WILMINGTON, MA 01887

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