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Patent Assignment Assignee Details
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Assignee Name : HOUGHTON MIFFLIN COMPANY
Total Assignments: 7
Assignment: 1
Reel/Frame:003807/0026   Pages: 2
Recorded: 10/20/1980
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
10/01/1980
Assignee
1
ONE BEACON ST.
A CORP. OF MA
BOSTON, MASSACHUSETTS 02107
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
05727457
Correspondence name and address
AMSTER, ROTSTEIN & ENGELBERG
90 PARK AVENUE
NEW YORK, N.Y. 10016
Assignment: 2
Reel/Frame:004128/0181   Pages: 2
Recorded: 05/12/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
04/14/1983
Assignee
1
1 BEACON ST.
A CORP. OF MA
BOSTON, MASSACHUSETTS 02107
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06467834
Correspondence name and address
LAHIVE AND COCKFIELD
60 STATE ST.
BOSTON, MA 02109
Assignment: 3
Reel/Frame:004554/0278   Pages: 2
Recorded: 05/23/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
02/03/1986
Assignee
1
ONE BEACON STREET
A CORP. OF MA
BOSTON, MASSACHUSETTS 02108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06750911
Correspondence name and address
LAHIVE & COCKFIELD
60 STATE STREET
BOSTON, MA 02109
Assignment: 4
Reel/Frame:004586/0445   Pages: 1
Recorded: 06/06/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/04/1986
Assignee
1
ONE BEACON STREET
A CORP. OF MASSACHUSETTS
BOSTON, MASSACHUSETTS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06872094
Correspondence name and address
LAHIVE & COCKFIELD
60 STATE ST.
BOSTON, MA 02109
Assignment: 5
Reel/Frame:004586/0446   Pages: 3
Recorded: 06/06/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/05/1986
Assignee
1
ONE BEACON STREET
A CORP. OF MASSACHUSETTS
BOSTON, MASSACHUSETTS 02108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06872094
Correspondence name and address
LAHIVE & COCKFIELD
60 STATE ST.
BOSTON, MA 02109
Assignment: 6
Reel/Frame:014437/0893   Pages: 4
Recorded: 03/17/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
02/03/2003
Assignee
1
222 BERKELEY STREET
BOSTON, MASSACHUSETTS 02116
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
10219458
 
NONE
10267929
Correspondence name and address
HOUGHTON MIFFLIN COMPANY
PAUL MILLHOUSER, ESQ.
LEGAL DEPARTMENT
222 BERKELEY STREET
BOSTON, MASSACHUSETTS 02116
Assignment: 7
Reel/Frame:017655/0820   Pages: 4
Recorded: 05/23/2006
Attorney Dkt #:HMCO-0001-P01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
04/17/2006
Assignee
1
222 BERKELY STREET
BOSTON, MASSACHUSETTS 02116
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10353814
Correspondence name and address
ROBERT A. MAZZARESE
P.O. BOX 920629
NEEDHAM, MA 02492

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