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Patent Assignment
Reel/Frame 022403/0387

Assignment of Assignor's Interest

Recorded: 2009-03-16 Pages: 6
Assignor
Assignee
PARAMETRIC TECHNOLOGY CORPORATION
140 KENDRICK STREET, NEEDHAM, MASSACHUSETTS, 02494
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 Jul 21, 2005
From: RAZDOW, ALLEN; BARIL, CHRISTOPHER; MUELLER, FREDERICK R.; LEW, JEREMY
To: MATHSOFT ENGINEERING & EDUCATION, INC.
Reel/Frame 016549/0815 →
Assignment of Assignor's Interest Oct 20, 2008
From: MATHSOFT ENGINEERING & EDUCATION, INC.
To: PARAMETRIC TECHNOLOGY CORPORATION
Reel/Frame 021706/0833 →
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 →