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Patent Assignment Assignor Details
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Assignor Name : LEVIN, ROLAND
Total Assignments: 20
Assignment: 1
Reel/Frame:018436/0991   Pages: 4
Recorded: 10/25/2006
Attorney Dkt #:3806.1002-000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRNKOVICH, MARTIN
Exec Dt:
10/11/2006
2
CHRISTENSEN, PETER
Exec Dt:
10/12/2006
3
LEVIN, ROLAND
Exec Dt:
10/11/2006
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
95 HAYDEN AVENUE
LEXINGTON, MASSACHUSETTS 02420
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7605710
US20080041792
11506602
Correspondence name and address
DAVID E. BROOK, ESQ.
HAMILTON BROOK SMITH, ET AL.
530 VIRGINIA ROAD
P.O. BOX 9133
CONCORD, MA 01742-9133
Assignment: 2
Reel/Frame:026202/0734   Pages: 4
Recorded: 04/29/2011
Attorney Dkt #:3806.1002-010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRNKOVICH, MARTIN
Exec Dt:
10/11/2006
2
CHRISTENSEN, PETER
Exec Dt:
10/12/2006
3
LEVIN, ROLAND
Exec Dt:
10/11/2006
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
95 HAYDEN AVENUE
LEXINGTON, MASSACHUSETTS 02420
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7973667
US20090322543
12556849
Correspondence name and address
DAVID E. BROOK
530 VIRGINIA ROAD, P.O. BOX 9133
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
CONCORD, MA 01742-9133
Assignment: 3
Reel/Frame:021752/0549   Pages: 9
Recorded: 10/28/2008
Attorney Dkt #:18196-0085001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEVIN, ROLAND
Exec Dt:
10/09/2008
2
CRNKOVICH, MARTIN JOSEPH
Exec Dt:
10/10/2008
3
WANG, FEI
Exec Dt:
10/22/2008
4
KOTSOS, MICHAEL EMMANUEL
Exec Dt:
10/22/2008
5
FUHRIMAN, GREGG ERIC
Exec Dt:
10/22/2008
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER ST.
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8323503
US20090309835
12137375
Correspondence name and address
CHRISTOPHER D. AGNEW
FISH & RICHARDSON P.C.
225 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 4
Reel/Frame:022118/0567   Pages: 4
Recorded: 01/16/2009
Attorney Dkt #:18196-0101001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEVIN, ROLAND
Exec Dt:
01/13/2009
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER ST.
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8135876
US20100169513
12347297
Correspondence name and address
CHRISTOPHER D. AGNEW
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 5
Reel/Frame:023298/0461   Pages: 5
Recorded: 09/29/2009
Attorney Dkt #:18196-0107001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEVIN, ROLAND
Exec Dt:
08/03/2009
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER ST.
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8145800
US20100168653
12504306
Correspondence name and address
TIMOTHY M. BRYAN
FISH & RICHARDSON P.C.
225 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 6
Reel/Frame:023930/0769   Pages: 4
Recorded: 02/12/2010
Attorney Dkt #:267578
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEVIN, ROLAND
Exec Dt:
02/04/2010
2
RAIFORD, WAYNE
Exec Dt:
02/04/2010
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8409445
US20110120946
12626348
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
TWO PRUDENTIAL PLAZA, SUITE 4900
CHICAGO, IL 60601
Assignment: 7
Reel/Frame:026758/0161   Pages: 16
Recorded: 08/16/2011
Attorney Dkt #:707297
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEVIN, ROLAND
Exec Dt:
08/08/2011
2
SCHLAEPER, CHRISTIAN
Exec Dt:
07/13/2011
3
CRNKOVICH, MARTIN
Exec Dt:
08/08/2011
4
PETER, HARALD
Exec Dt:
07/19/2011
Assignees
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
2
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
ELSE-KROENER-STRASSE 1
BAD HOMBURG, GERMANY 61352
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9375524
US20120305485
13153140
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
TWO PRUDENTIAL PLAZA, SUITE 4900
CHICAGO, IL 60601
Assignment: 8
Reel/Frame:030681/0157   Pages: 11
Recorded: 06/25/2013
Attorney Dkt #:3806.1039-001 (N12/12)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTSOS, MICHAEL E.
Exec Dt:
05/23/2013
2
BROWN, ALEXANDER J.
Exec Dt:
05/23/2013
3
LEVIN, ROLAND
Exec Dt:
05/23/2013
4
WANG, FEI
Exec Dt:
05/23/2013
5
HALLIBURTON, DONOVAN
Exec Dt:
05/23/2013
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9555178
US20140183106
13829868
Correspondence name and address
MARK B. SOLOMON
530 VIRGINIA ROAD, P.O. BOX 9133
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
CONCORD, MA 01742-9133
Assignment: 9
Reel/Frame:040662/0891   Pages: 11
Recorded: 12/19/2016
Attorney Dkt #:3806.1039-012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTSOS, MICHAEL E.
Exec Dt:
05/23/2013
2
BROWN, ALEXANDER J.
Exec Dt:
05/23/2013
3
LEVIN, ROLAND
Exec Dt:
05/23/2013
4
WANG, FEI
Exec Dt:
05/23/2013
5
HALLIBURTON, DONOVAN
Exec Dt:
05/23/2013
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10322225
US20170112994
15381810
Correspondence name and address
MARK B. SOLOMON, ESQ.
530 VIRGINIA ROAD, P.O. BOX 9133
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
CONCORD, MA 01742-9133
Assignment: 10
Reel/Frame:048712/0551   Pages: 16
Recorded: 03/27/2019
Attorney Dkt #:18196-0248001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CALUYA, ROGER
Exec Dt:
07/28/2018
2
CRNKOVICH, MARTIN JOSEPH
Exec Dt:
05/05/2017
3
EGLEY, BERT D.
Exec Dt:
10/05/2016
4
GRIFFITH, DAVID CHARLES, JR.
Exec Dt:
01/29/2019
5
LEVIN, ROLAND
Exec Dt:
10/19/2016
6
NASSERI, HOUSSEIN
Exec Dt:
11/02/2016
7
PLAHEY, KULWINDER S.
Exec Dt:
06/12/2018
8
YUDS, DAVID
Exec Dt:
10/14/2016
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10632242
US20170189597
15284664
Correspondence name and address
JAMES H. RICHARD
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 11
Reel/Frame:052663/0976   Pages: 16
Recorded: 05/14/2020
Attorney Dkt #:18196-0248002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CALUYA, ROGER
Exec Dt:
07/28/2018
2
CRNKOVICH, MARTIN JOSEPH
Exec Dt:
05/05/2017
3
EGLEY, BERT D.
Exec Dt:
10/05/2016
4
GRIFFITH, DAVID CHARLES, JR.
Exec Dt:
01/29/2019
5
LEVIN, ROLAND
Exec Dt:
10/19/2016
6
NASSERI, HOUSSEIN
Exec Dt:
11/02/2016
7
PLAHEY, KULWINDER S.
Exec Dt:
06/12/2018
8
YUDS, DAVID
Exec Dt:
10/14/2016
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11701456
US20200222611
16820153
Correspondence name and address
PARVIN GHANE
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 12
Reel/Frame:041152/0516   Pages: 4
Recorded: 02/02/2017
Attorney Dkt #:8142FMC0003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRNKOVICH, MARTY
Exec Dt:
01/25/2017
2
LEVIN, ROLAND
Exec Dt:
01/25/2017
3
MCCORMICK, CHRISTOPHER
Exec Dt:
01/26/2017
4
WANG, FEI
Exec Dt:
01/25/2017
5
WANG, AIYUAN
Exec Dt:
01/25/2017
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10376843
US20180207588
15411610
Correspondence name and address
ERIN MARTELL
KACVINSKY DAISAK BLUNI PLLC
50 DOAKS LANE
MARBLEHEAD, MA 01945
Assignment: 13
Reel/Frame:041152/0545   Pages: 3
Recorded: 02/02/2017
Attorney Dkt #:8142FMC0002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRNKOVICH, MARTY
Exec Dt:
01/25/2017
2
LEVIN, ROLAND
Exec Dt:
01/25/2017
3
WANG, FEI
Exec Dt:
01/25/2017
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10426881
US20180207340
15411606
Correspondence name and address
ERIN MARTELL
KACVINSKY DAISAK BLUNI PLLC
50 DOAKS LANE
MARBLEHEAD, MA 01945
Assignment: 14
Reel/Frame:043900/0518   Pages: 6
Recorded: 10/19/2017
Attorney Dkt #:8142FMC0002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRNKOVICH, MARTY
Exec Dt:
10/16/2017
2
LEVIN, ROLAND
Exec Dt:
10/16/2017
3
WANG, FEI
Exec Dt:
10/16/2017
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10426881
US20180207340
15411606
Correspondence name and address
ERIN MARTELL
KACVINSKY DAISAK BLUNI PLLC
50 DOAKS LANE
MARBLEHEAD, MA 01945
Assignment: 15
Reel/Frame:045516/0316   Pages: 8
Recorded: 04/12/2018
Attorney Dkt #:8142FMC0003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRNKOVICH, MARTIN
Exec Dt:
04/02/2018
2
LEVIN, ROLAND
Exec Dt:
10/16/2017
3
MCCORMICK, CHRISTOPHER
Exec Dt:
10/16/2017
4
WANG, FEI
Exec Dt:
10/16/2017
5
WANG, AIYUAN
Exec Dt:
10/16/2017
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10376843
US20180207588
15411610
Correspondence name and address
ERIN MARTELL
KACVINSKY DAISAK BLUNI PLLC
50 DOAKS LANE
MARBLEHEAD, MA 01945
Assignment: 16
Reel/Frame:049575/0283   Pages: 8
Recorded: 06/25/2019
Attorney Dkt #:8142.0003C
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRNKOVICH, MARTIN
Exec Dt:
04/02/2018
2
LEVIN, ROLAND
Exec Dt:
10/16/2017
3
MCCORMICK, CHRISTOPHER
Exec Dt:
10/16/2017
4
WANG, FEI
Exec Dt:
10/16/2017
5
WANG, AIYUAN
Exec Dt:
10/16/2017
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11590454
US20190308140
16451044
Correspondence name and address
KACVINSKY DAISAK BLUNI PLLC
50 DOAKS LANE
MARBLEHEAD, MA 01945
Assignment: 17
Reel/Frame:050513/0624   Pages: 7
Recorded: 09/27/2019
Attorney Dkt #:3192-077-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERCHANT, STEPHEN
Exec Dt:
07/29/2019
2
LEVIN, ROLAND
Exec Dt:
07/26/2019
3
CHAU, CHRIS
Exec Dt:
08/05/2019
4
ASLAM, SHAKIL
Exec Dt:
09/26/2019
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1547
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11524102
US20200030514
16521159
Correspondence name and address
KILYK & BOWERSOX, P.L.L.C.
3925 CHAIN BRIDGE RD., SUITE D-401
FAIRFAX, VA 22030
Assignment: 18
Reel/Frame:061546/0021   Pages: 7
Recorded: 10/26/2022
Attorney Dkt #:3192-077-02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERCHANT, STEPHEN
Exec Dt:
07/29/2019
2
LEVIN, ROLAND
Exec Dt:
07/26/2019
3
CHAU, CHRIS
Exec Dt:
08/05/2019
4
ASLAM, SHAKIL
Exec Dt:
09/26/2019
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11839709
NONE
17974023
Correspondence name and address
KILYK & BOWERSOX, P.L.L.C.
8141 OPAL ROAD
BLDG #3
WARRENTON, VA 20186
Assignment: 19
Reel/Frame:050513/0750   Pages: 7
Recorded: 09/27/2019
Attorney Dkt #:3192-078-01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MERCHANT, STEPHEN
Exec Dt:
08/14/2019
2
LEVIN, ROLAND
Exec Dt:
08/13/2019
3
CHAU, CHRIS
Exec Dt:
08/27/2019
4
ASLAM, SHAKIL
Exec Dt:
09/26/2019
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1547
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11491267
US20200030515
16521193
Correspondence name and address
KILYK & BOWERSOX, P.L.L.C.
3925 CHAIN BRIDGE RD., SUITE D-401
FAIRFAX, VA 22030
Assignment: 20
Reel/Frame:063591/0293   Pages: 14
Recorded: 05/10/2023
Attorney Dkt #:18196-0420001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YUDS, DAVID
Exec Dt:
06/13/2022
2
CRNKOVICH, MARTIN JOSEPH
Exec Dt:
07/08/2022
3
LEVIN, ROLAND
Exec Dt:
06/09/2022
Assignee
1
FRESENIUS MEDICAL CARE HOLDINGS, INC.
920 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1457
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230395245
17829463
Correspondence name and address
MICHAEL R. HAMLIN
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022

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