IP Library Assignment 008941/0171
Patent Assignment
Reel/Frame 008941/0171

Assignment of Assignor's Interest

Recorded: 1998-02-05 Pages: 4
Assignors
WHITE, CHRISTOPHER M.
Executed: 1997-09-01
MATHENY, JOHN
Executed: 1997-09-01
BONNAURE, PATRICK P.
Executed: 1997-09-15
PERLMAN, STEPHEN G.
Executed: 1997-09-01
Assignee
WEBTV NETWORKS, INC.
305 LYTTON AVENUE, PALO ALTO, CALIFORNIA, 94301
Covered Property (1)
Method and Apparatus for Providing Physical Security for a User Account and Providing Access to the User's Enviroment and Preferences
Patent: 5,983,273 →
Application: 08/931,816 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger May 23, 2014
From: WEBTV NETWORKS, INC.
To: MICROSOFT CORPORATION
Reel/Frame 032956/0577 →
Assignment of Assignor's Interest Dec 9, 2014
From: MICROSOFT CORPORATION
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 034541/0001 →