IP Library › Assignment 016549/0815
Patent Assignment
Reel/Frame 016549/0815

Assignment of Assignor's Interest

Recorded: 2005-07-21 Pages: 8
Assignors
RAZDOW, ALLEN
Executed: 2005-07-01
BARIL, CHRISTOPHER
Executed: 2005-06-17
MUELLER, FREDERICK R.
Executed: 2005-07-06
LEW, JEREMY
Executed: 2005-07-07
BELL, JONATHAN
Executed: 2005-07-06
TRAVIS, LEOPOLD
Executed: 2005-07-06
Assignee
MATHSOFT ENGINEERING & EDUCATION, INC.
101 MAIN STREET, CAMBRIDGE, MASSACHUSETTS, 02142
Covered Property (1)
Method for Automatically Enabling Traceability of Engineering Calculations
Patent: 8,121,998 →
Application: 11/070,827 →
Publication: US 2006/0080369
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 20, 2008
From: MATHSOFT ENGINEERING & EDUCATION, INC.
To: PARAMETRIC TECHNOLOGY CORPORATION
Reel/Frame 021706/0833 →
Assignment of Assignor's Interest Mar 16, 2009
From: MATHSOFT ENGINEERING & EDUCATION, INC.
To: PARAMETRIC TECHNOLOGY CORPORATION
Reel/Frame 022403/0387 →
Security Interest Nov 4, 2015
From: PTC INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 037046/0930 →
Security Interest Sep 13, 2018
From: PTC INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 047480/0888 →