IP Library › Assignment 025486/0545
Patent Assignment
Reel/Frame 025486/0545

Merger

Recorded: 2010-12-01 Pages: 12
Assignor
WEBTV NETWORKS, INC.
Executed: 2002-06-27
Assignee
MICROSOFT CORPORATION
ONE MICROSOFT WAY, REDMOND, WASHINGTON, 98052
Covered Property (1)
System and Method for Encouraging Viewers to Watch Television Programs
Patent: 8,621,501 →
Application: 12/951,974 →
Publication: US 2011/0067045
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 1, 2010
From: MATHENY, JOHN R.; ZIGMOND, DANIEL J.
To: WEBTV NETWORKS, INC.
Reel/Frame 025414/0796 →
Assignment of Assignor's Interest Dec 9, 2014
From: MICROSOFT CORPORATION
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 034544/0001 →