Patent Assignment
Reel/Frame 021678/0520
Corrective Assignment to Correct the Assignee's State of Incorporation Previously Recorded on Reel 019330 Frame 0299. Assignor(S) Hereby Confirms the Assignee's State of Incorporation Is Delaware.
Recorded: 2008-10-14
Pages: 6
Assignors
RAZDOW, ALLEN M.
Executed: 2007-05-22
KUCAN, JAKOV
Executed: 2007-05-08
MERITT, JAIME
Executed: 2007-05-18
Assignee
MATHSOFT ENGINEERING & EDUCATION, INC.
140 KENDRICK STREET, NEEDHAM, MASSACHUSETTS, 02494
Covered Property
(1)
System and method for maintaining the genealogy of documents
Application:
60/790,055 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 22, 2007
From: RAZDOW, ALLEN M.; KUCAN, JAKOV; MERITT, JAIME
To: MATHSOFT ENGINEERING & EDUCATION, INC.
Reel/Frame 019330/0299 →
Assignment of Assignor's Interest
Oct 20, 2008
From: MATHSOFT ENGINEERING & EDUCATION, INC.
To: PARAMETRIC TECHNOLOGY CORPORATION
Reel/Frame 021706/0833 →