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Patent Assignment Assignee Details
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Assignee Name : MATHSOFT, INC.
Total Assignments: 9
Assignment: 1
Reel/Frame:006904/0337   Pages: 3
Recorded: 03/02/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RAZDOW, ALLEN M.
Exec Dt:
03/02/1994
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5526475
NONE
08204841
Correspondence name and address
KENYON & KENYON
CHARLES R. BRAINARD
ONE BROADWAY
NEW YORK, NY 10004
Assignment: 2
Reel/Frame:006921/0681   Pages: 3
Recorded: 03/04/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RAZDOW, ALLEN MICHAEL
Exec Dt:
03/04/1994
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5469538
NONE
08206307
Correspondence name and address
CHARLES R. BRAINARD
KENYON & KENYON
ONE BROADWAY
NEW YORK, NEW YORK 10004
Assignment: 3
Reel/Frame:008155/0368   Pages: 3
Recorded: 06/20/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MENAKER, SAMUEL
Exec Dt:
06/20/1996
2
STOUT, MICHAEL
Exec Dt:
06/20/1996
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5844555
NONE
08667187
Correspondence name and address
KENYON & KENYON
MICHELLE M. CARNIAUX
ONE BROADWAY
NEW YORK, NY 10004
Assignment: 4
Reel/Frame:008155/0667   Pages: 3
Recorded: 06/20/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RAZDOW, ALLEN M.
Exec Dt:
06/20/1996
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5771392
NONE
08668174
Correspondence name and address
KENYON & KENYON
MICHELLE M. CARNIAUX
ONE BROADWAY
NEW YORK, NEW YORK 10004
Assignment: 5
Reel/Frame:009068/0423   Pages: 4
Recorded: 03/03/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOULIA, DONALD J.
Exec Dt:
02/09/1998
2
GREENWOOD, DAVID G.
Exec Dt:
02/12/1998
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6275866
NONE
09034185
Correspondence name and address
WEINGARTEN, SCHURGIN, GAGNEBIN ET AL.
VICTOR B. LEBOVICI
TEN POST OFFICE SQUARE
BOSTON, MA 02109
Assignment: 6
Reel/Frame:010923/0770   Pages: 3
Recorded: 06/26/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MARCHISIO, GIOVANNI B.
Exec Dt:
03/29/2000
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6862710
NONE
09533884
Correspondence name and address
WEINGARTEN, SCHURGIN, GAGNEBIN & HAYES
DAVID A. DAGG
TEN POST OFFICE SQUARE
BOSTON, MASSACHUSETTS 02109
Assignment: 7
Reel/Frame:010930/0871   Pages: 3
Recorded: 06/16/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MARCHISIO, GIOVANNI B.
Exec Dt:
03/29/2000
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6510406
NONE
09532605
Correspondence name and address
WEINGARTEN, SCHURGIN, GAGNEBIN, ET AL
DAVID A. DAGG
TEN POST OFFICE SQUARE
BOSTON, MASSACHUSETTS 02109
Assignment: 8
Reel/Frame:040599/0294   Pages: 3
Recorded: 12/08/2016
Attorney Dkt #:EVRI-1-2606
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MARCHISIO, GIOVANNI B.
Exec Dt:
03/29/2000
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7051017
US20030217047
10316973
Correspondence name and address
ELLEN M. BIERMAN
701 FIFTH AVENUE
SUITE 4800
SEATTLE, WA 98104
Assignment: 9
Reel/Frame:011551/0007   Pages: 7
Recorded: 02/23/2001
Conveyance: RELEASE OF SECURITY INTEREST
Assignor
1
FLEET BANK OF MASSACHUSETTS, N.A.
Exec Dt:
01/22/2001
Assignee
1
MATHSOFT, INC.
101 MAIN STREET
CAMBRIDGE, MASSACHUSETTS 02142
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
5526475
NONE
08204841
 
5469538
NONE
08206307
Correspondence name and address
TESTA, HURWITZ & THIBEAULT, LLP
DANIELLE L. HERRITT
HIGH STREET TOWER
125 HIGH STREET
BOSTON, MA 02110

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