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Patent Assignment Assignor Details
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Assignor Name : HELDT, THOMAS
Total Assignments: 17
Assignment: 1
Reel/Frame:020999/0889   Pages: 6
Recorded: 05/27/2008
Attorney Dkt #:0492611-0849
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/15/2008
2
Exec Dt:
05/15/2005
3
Exec Dt:
05/15/2008
4
Exec Dt:
05/15/2008
Assignee
1
5 CAMBRIDGE CENTER SQUARE
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12122247
Correspondence name and address
CHOATE HALL & STEWART, LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 2
Reel/Frame:021197/0908   Pages: 7
Recorded: 07/07/2008
Attorney Dkt #:0492611-0844
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/13/2008
2
Exec Dt:
05/13/2008
3
Exec Dt:
05/13/2008
4
Exec Dt:
05/13/2008
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12121042
Correspondence name and address
CHOATE HALL & STEWART, LLP
TWO INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 3
Reel/Frame:028933/0293   Pages: 7
Recorded: 09/11/2012
Attorney Dkt #:MIN-095-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/13/2008
2
Exec Dt:
05/13/2008
3
Exec Dt:
05/13/2008
4
Exec Dt:
05/13/2008
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13607924
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 4
Reel/Frame:028837/0381   Pages: 5
Recorded: 08/23/2012
Attorney Dkt #:MIN-094-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/15/2008
2
Exec Dt:
05/15/2008
3
Exec Dt:
05/15/2008
4
Exec Dt:
05/15/2008
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13572949
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 5
Reel/Frame:023207/0338   Pages: 6
Recorded: 09/09/2009
Attorney Dkt #:MIN-086-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/13/2008
2
Exec Dt:
11/18/2008
3
Exec Dt:
11/13/2008
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12555713
Correspondence name and address
ROPES & GRAY LLP
ONEINTERNATIONAL PLACE
39 / 41 DOCKETING
BOSTON, MA 02110
Assignment: 6
Reel/Frame:024042/0648   Pages: 5
Recorded: 03/08/2010
Attorney Dkt #:MIN-096-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/04/2010
2
Exec Dt:
03/04/2010
3
Exec Dt:
03/04/2010
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02130-4307
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12121878
Correspondence name and address
ROPES & GRAY LLP
ONE INTERNATIONAL PLACE
BOSTON, MA 02110-2624
Assignment: 7
Reel/Frame:029858/0251   Pages: 4
Recorded: 02/22/2013
Attorney Dkt #:MIN-086-102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/30/2013
2
Exec Dt:
02/11/2013
3
Exec Dt:
02/12/2013
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13750166
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
Assignment: 8
Reel/Frame:033575/0491   Pages: 4
Recorded: 08/20/2014
Attorney Dkt #:MIN-086-103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/30/2013
2
Exec Dt:
02/11/2013
3
Exec Dt:
02/12/2013
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
14464155
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER - 800 BOYLSTON STREET
IPRM DOCKETING - 43RD FLOOR
BOSTON, MA 02199
Assignment: 9
Reel/Frame:030433/0632   Pages: 8
Recorded: 05/17/2013
Attorney Dkt #:MIN-116-101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/01/2013
2
Exec Dt:
04/25/2013
3
Exec Dt:
04/25/2013
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13849284
Correspondence name and address
ROPES & GRAY LLP
PRUDENTIAL TOWER - 800 BOYLSTON STREET
IPRM DOCKETING - 43RD FLOOR
BOSTON, MA 02199
Assignment: 10
Reel/Frame:044727/0960   Pages: 6
Recorded: 01/25/2018
Attorney Dkt #:M0925.70595US01/70595WO00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/26/2016
2
Exec Dt:
08/29/2016
3
Exec Dt:
08/25/2016
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15236114
Correspondence name and address
BRANDON S. BLACKWELL
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 11
Reel/Frame:045132/0193   Pages: 4
Recorded: 03/07/2018
Attorney Dkt #:M0925.70591US01 MIT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
02/23/2018
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15045074
Correspondence name and address
BRANDON S. BLACKWELL
600 ATLANTIC AVENUE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 12
Reel/Frame:045469/0120   Pages: 26
Recorded: 02/28/2018
Attorney Dkt #:M0925.70593US01 - MIT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/08/2018
2
Exec Dt:
02/12/2018
3
Exec Dt:
02/05/2018
4
Exec Dt:
02/23/2018
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15236193
Correspondence name and address
BRANDON S. BLACKWELL
600 ATLANTIC AVENUE
WOLF GREENFIELD
BOSTON, MA 02210
Assignment: 13
Reel/Frame:049829/0776   Pages: 26
Recorded: 07/23/2019
Attorney Dkt #:M0925.70593US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/08/2018
2
Exec Dt:
02/12/2018
3
Exec Dt:
02/05/2018
4
Exec Dt:
02/23/2018
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16452631
Correspondence name and address
DANIEL T. WEHNER
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 14
Reel/Frame:055697/0629   Pages: 12
Recorded: 03/24/2021
Attorney Dkt #:M0437.70138US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/28/2019
2
Exec Dt:
05/28/2019
3
Exec Dt:
05/30/2019
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17051847
Correspondence name and address
RANDY J. PRITZKER
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 15
Reel/Frame:060857/0364   Pages: 6
Recorded: 08/22/2022
Attorney Dkt #:M0437.70143US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/04/2020
2
Exec Dt:
09/04/2020
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17601603
Correspondence name and address
ANDREW G. MAHER
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 16
Reel/Frame:060134/0001   Pages: 17
Recorded: 05/20/2022
Attorney Dkt #:M0925.70790WO00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/16/2021
2
Exec Dt:
05/15/2021
3
Exec Dt:
08/19/2021
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17778268
Correspondence name and address
JOHN S. HARMON
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 17
Reel/Frame:062765/0866   Pages: 17
Recorded: 02/16/2023
Attorney Dkt #:M0925.70790US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/16/2021
2
Exec Dt:
05/15/2021
3
Exec Dt:
08/19/2021
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17778268
Correspondence name and address
JOHN S. HARMON
WOLF GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210

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