IP Library › Assignment 022399/0489
Patent Assignment
Reel/Frame 022399/0489

Assignment of Assignor's Interest

Recorded: 2009-03-16 Pages: 8
Assignors
MATHSOFT CORPORATE HOLDINGS, INC.
Executed: 2008-10-16
Assignee
PARAMETRIC TECHNOLOGY CORPORATION
140 KENDRICK STREET, NEEDHAM, MASSACHUSETTS, 02494
Covered Properties (9)
Linguistic Support for a Recognizer of Mathematical Expressions
Method for Live Symbolic Calculations in a Mathematical Document Editor
Patent: 5,526,475 →
Application: 08/204,841 →
Mathematical Document Editor and Method Performing Live Symbolic Calculations for Use with an Electronic Book
Patent: 5,469,538 →
Application: 08/206,307 →
Locking Mechanism for Live Mathematical Documents
Patent: 5,844,555 →
Application: 08/667,187 →
Encoding Method to Enable Vectors and Matrices to Be Elements of Vectors and Matrices
Patent: 5,771,392 →
Application: 08/668,174 →
Manipulation and Coupling of Object Oriented Components
Patent: 6,275,866 →
Application: 09/034,185 →
Linguistic Support for a Recognizer of Mathematical Expressions
Patent: 7,373,291 →
Application: 10/368,766 →
Publication: US 2004/0015342
Modeless gesture driven editor for handwritten mathematical expressions
Application: 10/378,386 →
Publication: US 2004/0054701
Extensible Environment for Manipulation and Coupling of Computational Blocks
Application: 60/039,071 →
Related Assignments (19)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 2, 1994
From: RAZDOW, ALLEN M.
To: MATHSOFT, INC.
Reel/Frame 006904/0337 →
Assignment of Assignor's Interest Mar 4, 1994
From: RAZDOW, ALLEN MICHAEL
To: MATHSOFT, INC.
Reel/Frame 006921/0681 →
Security Interest Jun 3, 1996
From: MATHSOFT, INC.
To: FLEET BANK OF MASSACHUSETTS, N.A.
Reel/Frame 007986/0433 →
Assignment of Assignor's Interest Jun 20, 1996
From: MENAKER, SAMUEL; STOUT, MICHAEL
To: MATHSOFT, INC.
Reel/Frame 008155/0368 →
Assignment of Assignor's Interest Jun 20, 1996
From: RAZDOW, ALLEN M.
To: MATHSOFT, INC.
Reel/Frame 008155/0667 →
Assignment of Assignor's Interest Jun 10, 1997
From: GREENWOOD, DAVID G.
To: MATHSOFT, INC.
Reel/Frame 008552/0284 →
Assignment of Assignor's Interest Jun 10, 1997
From: BOULIA, DONALD J.
To: MATHSOFT, INC.
Reel/Frame 008551/0995 →
Assignment of Assignor's Interest Mar 3, 1998
From: BOULIA, DONALD J.; GREENWOOD, DAVID G.
To: MATHSOFT, INC.
Reel/Frame 009068/0423 →
Release of Security Interest Feb 23, 2001
From: FLEET BANK OF MASSACHUSETTS, N.A.
To: MATHSOFT, INC.
Reel/Frame 011551/0007 →
Assignment of Assignor's Interest Mar 9, 2001
From: MATHSOFT, INC.
To: MATHSOFT ENGINEERING & EDUCATION, INC.
Reel/Frame 011601/0610 →
Security Agreement Mar 16, 2001
From: MATHSOFT ENGINEERING & EDUCATION, INC. A DELAWARE CORPORATION; MATHSOFT CORPOPRATE HOLDINGS, INC.A DELAWARE CORPORATION
To: SPRING CAPITAL PARTNERS, L.P.
Reel/Frame 011627/0577 →
Security Agreement Mar 23, 2001
From: MATHSOFT ENGINEERING & EDUCATION, INC.
To: CITIZENS BANK OF MASSACHUSETTS
Reel/Frame 011648/0253 →
Assignment of Assignor's Interest Jul 15, 2004
From: GARST, PETER L.
To: MATHSOFT ENGINEERING & EDUCATION, INC.
Reel/Frame 014861/0245 →
Assignment of Assignor's Interest Jul 15, 2004
From: GARST, PETER L.
To: MATHSOFT ENGINEERING & EDUCATION, INC.
Reel/Frame 014861/0613 →
Release of Intellectual Property Collateral Jul 23, 2004
From: CITIZENS BANK OF MASSACHUSETTS
To: MATHSOFT ENGINEERING & EDUCATION, INC.; MATHSOFT CORPORATE HOLDINGS, INC.
Reel/Frame 014892/0001 →
Security Interest Sep 1, 2004
From: MATHSOFT ENGINEERING & EDUCATION, INC.; MATHSOFT CORPORATE HOLDINGS, INC.
To: SILICON VALLEY BANK DBA SILICON VALLEY EAST
Reel/Frame 015098/0061 →
Security Agreement Mar 18, 2005
From: MATHSOFT ENGINEERING & EDUCATION, INC.
To: PARTNERS FOR GROWTH, L.P.
Reel/Frame 015788/0782 →
Release of Intellectual Property Collateral Mar 22, 2005
From: SPRING CAPITAL PARTNERS, L.P.
To: MATHSOFT ENGINEERING & EDUCATION, INC.; MATHSOFT CORPORATE HOLDINGS, INC.
Reel/Frame 015797/0573 →
Security Interest Nov 4, 2015
From: PTC INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 037046/0930 →