Patent Assignment
Reel/Frame 015252/0809
Assignment of Assignor's Interest
Recorded: 2004-04-27
Pages: 8
Assignors
RAZDOW, ALLEN
Executed: 2004-04-15
BARIL, CHRISTOPHER
Executed: 2004-04-15
MUELLER, FREDERICK R.
Executed: 2004-04-15
LEW, JEREMY
Executed: 2004-04-15
BELL, JONATHAN
Executed: 2004-04-15
TRAVIS, LEOPOLD
Executed: 2004-04-15
Assignee
MATHSOFT ENGINEERING & EDUCATION, INC.
101 MAIN STREET, CAMBRIDGE, MASSACHUSETTS, 02142
Covered Property
(1)
Method for automatically enabling traceability of engineering calculations
Application:
60/550,125 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Assignment of Assignor's Interest
Oct 20, 2008
From: MATHSOFT ENGINEERING & EDUCATION, INC.
To: PARAMETRIC TECHNOLOGY CORPORATION
Reel/Frame 021706/0833 →