IP Library › Assignment 008552/0284
Patent Assignment
Reel/Frame 008552/0284

Assignment of Assignor's Interest

Recorded: 1997-06-10 Pages: 4
Assignor
GREENWOOD, DAVID G.
Executed: 1997-05-26
Assignee
MATHSOFT, INC.
101 MAIN STREET, CAMBRIDGE, MASSACHUSETTS, 02142
Covered Property (1)
Extensible Environment for Manipulation and Coupling of Computational Blocks
Application: 60/039,071 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 16, 2009
From: MATHSOFT ENGINEERING & EDUCATION, INC.; MATHSOFT CORPORATE HOLDINGS, INC.
To: PARAMETRIC TECHNOLOGY CORPORATION
Reel/Frame 022399/0489 →