IP Library › Assignment 018901/0981
Patent Assignment
Reel/Frame 018901/0981

Assignment of Assignor's Interest

Recorded: 2007-02-19 Pages: 4
Assignors
ROGERS, TIMOTHY A
Executed: 2007-02-09
BOSKO, JOHN
Executed: 2007-02-09
O'BRIEN, COREY S
Executed: 2007-02-14
MUTUM, RAGHUBIR S
Executed: 2007-02-09
Assignee
HOUGHTON MIFFLIN COMPANY
222 BERKELEY STREET, BOSTON, MASSACHUSETTS, 02116
Covered Property (1)
On-Line Test Delivery and Management
Application: 60/825,246 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Apr 21, 2008
From: HOUGHTON MIFFLIN COMPANY
To: HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Reel/Frame 020832/0652 →
Change of Name Aug 5, 2024
From: HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
To: HMH EDUCATION COMPANY
Reel/Frame 068313/0058 →