IP Library Assignment 017760/0435
Patent Assignment
Reel/Frame 017760/0435

Assignment of Assignor's Interest

Recorded: 2006-06-10 Pages: 2
Assignor
BASU, SUMIT
Executed: 2006-06-09
Assignee
MICROSOFT CORPORATION
ONE MICROSOFT WAY, REDMOND, WASHINGTON, 98052
Covered Property (1)
Echo Cancellation for Channels with Unknown Time-Varying Gain
Patent: 8,077,641 →
Application: 11/423,437 →
Publication: US 2007/0286230
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 9, 2014
From: MICROSOFT CORPORATION
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 034542/0001 →