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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 : GIFFORD, DAVID K.
Total Assignments: 19
Assignment: 1
Reel/Frame:004638/0230   Pages: 1
Recorded: 12/01/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
12/01/1986
Assignee
1
77 MASSACHUSETS AVE.
A CORP. OF MASSACHUSETTS
CAMBRIDGE, MASSACHUSETTS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06936641
Correspondence name and address
GARY A. WALPERT
HALE AND DORR
60 STATE ST.
BOSTON, MA 02109
Assignment: 2
Reel/Frame:005008/0745   Pages: 2
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/31/1988
Assignee
1
CAMBRIDGE, MASSACHUSETTS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06943375
Correspondence name and address
FISH & RICHARDSON
ONE FINANCIAL CENTER
SUITE 2500
BOSTON, MA 02111-2658
Assignment: 3
Reel/Frame:005009/0040   Pages: 2
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/31/1988
Assignee
1
CAMBRIDGE, MASSACHUSETTS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06943376
Correspondence name and address
RICHARD A. JORDAN
FISH & RICHARDSON
ONE FINANCIAL CENTER, SUITE 2500
BOSTON, MA 02111-2658
Assignment: 4
Reel/Frame:005009/0042   Pages: 2
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/31/1988
Assignee
1
CAMBRIDGE, MASSACHUSETTS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06943314
Correspondence name and address
RICHARD A. JORDAN
FISH & RICHARDSON
ONE FINANCIAL CENTER, STE. 2500
BOSTON, MA 02111-2658
Assignment: 5
Reel/Frame:006595/0087   Pages: 3
Recorded: 06/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/14/1993
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08052157
Correspondence name and address
PAULA A. CAMPBELL
PATENT ADMINISTRATOR
TESTA, HURWITZ & THIBEAULT
EXCHANGE PLACE, 53 STATE STREET
BOSTON, MA 02109
Assignment: 6
Reel/Frame:007821/0480   Pages: 3
Recorded: 08/23/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/15/1995
Assignee
1
215 FIRST STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08486797
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
JAMES M. SMITH, ESQ.
TWO MILITIA DRIVE
LEXINGTON, MA 02173
Assignment: 7
Reel/Frame:008406/0760   Pages: 3
Recorded: 03/10/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/18/1997
2
Exec Dt:
02/18/1997
Assignee
1
245 FIRST STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08741862
Correspondence name and address
FISH & RICHARDSON, P.C.
JAMES E. MROSE
225 FRANKLIN STREET
BOSTON, MA 02110-2804
Assignment: 8
Reel/Frame:008697/0582   Pages: 3
Recorded: 09/08/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/15/1997
Assignee
1
245 FIRST STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08563745
Correspondence name and address
FISH & RICHARDSON, P.C.
JAMES E. MROSE
225 FRANKLIN STREET
BOSTON, MA 02110-2804
Assignment: 9
Reel/Frame:025988/0965   Pages: 3
Recorded: 03/21/2011
Attorney Dkt #:3057.0010001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/14/1997
2
Exec Dt:
10/22/1997
3
Exec Dt:
10/16/1997
Assignee
1
245 FIRST STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09645933
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005
Assignment: 10
Reel/Frame:025989/0116   Pages: 3
Recorded: 03/21/2011
Attorney Dkt #:3057.0010001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/14/1997
2
Exec Dt:
10/22/1997
3
Exec Dt:
10/16/1997
Assignee
1
245 FIRST STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09645933
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005
Assignment: 11
Reel/Frame:009945/0241   Pages: 4
Recorded: 05/10/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/04/1999
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09194936
Correspondence name and address
TESTA, HURWITZ & THIBEAULT, LLP
MICHAEL J. TWOMEY
125 HIGH STREET
HIGH STREET TOWER
BOSTON, MA 02110
Assignment: 12
Reel/Frame:010706/0482   Pages: 2
Recorded: 03/27/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/10/2000
Assignee
1
135 BEAVER STREET
WALTHAM, MASSACHUSETTS 02452
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08779770
Correspondence name and address
FISH & RICHARDSON P.C.
JAMES E. MROSE
601 THIRTEENTH STREET, N.W.
WASHINGTON, DC 200005
Assignment: 13
Reel/Frame:010716/0466   Pages: 2
Recorded: 03/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/10/2000
Assignee
1
135 BEAVER STREET
WALTHAM, MASSACHUSETTS 02452
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08779770
Correspondence name and address
FISH & RICHARDSON P.C.
JAMES E. MROSE
601 THIRTEENTH STREET, NW
WASHINGTON, DC 20005
Assignment: 14
Reel/Frame:010716/0478   Pages: 2
Recorded: 04/25/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/10/2000
Assignee
1
135 BEAVER STREET
WALTHAM, MASSACHUSETTS 02452
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08779770
Correspondence name and address
FISH & RICHARDSON P.C.
JAMES E. MROSE
601 13TH STREET, N.W.
WASHINGTON, DC 20005
Assignment: 15
Reel/Frame:024608/0285   Pages: 6
Recorded: 06/29/2010
Attorney Dkt #:M0656.70142US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/14/2010
2
Exec Dt:
06/23/2010
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12668944
Correspondence name and address
WOLF, GREENFIELD, SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 16
Reel/Frame:048795/0374   Pages: 6
Recorded: 04/04/2019
Attorney Dkt #:M0656.70371US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/31/2017
2
Exec Dt:
05/18/2017
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15775621
Correspondence name and address
MARIA A. TREVISAN
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 17
Reel/Frame:048408/0570   Pages: 7
Recorded: 02/22/2019
Attorney Dkt #:M0656.70407US01/WO00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/13/2019
2
Exec Dt:
02/13/2019
3
Exec Dt:
02/13/2019
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16171596
Correspondence name and address
ANDREW J. TIBBETTS
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210
Assignment: 18
Reel/Frame:054963/0318   Pages: 6
Recorded: 01/20/2021
Attorney Dkt #:B1195.70051WO00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/17/2020
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16772747
Correspondence name and address
GABRIEL J. MCCOOL
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210-2211
Assignment: 19
Reel/Frame:055521/0906   Pages: 7
Recorded: 03/08/2021
Attorney Dkt #:B1195.70051US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/17/2020
Assignee
1
77 MASSACHUSETTS AVENUE
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16772747
Correspondence name and address
GABRIEL J. MCCOOL
WOLF, GREENFIELD & SACKS, P.C.
600 ATLANTIC AVENUE
BOSTON, MA 02210-2211

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