IP Library › Assignment 012870/0228
Patent Assignment
Reel/Frame 012870/0228

Assignment of Assignor's Interest

Recorded: 2002-04-30 Pages: 3
Assignor
GUO, MICHAEL WEI-QUIANG
Executed: 2002-04-29
Assignee
MICROSOFT CORPORATION
ONE MICROSOFT WAY, REDMOND, WASHINGTON, 98052
Covered Property (1)
Transparent Authentication Using an Authentication Server
Patent: 7,421,731 →
Application: 09/792,359 →
Publication: US 2002/0120867
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 23, 2001
From: MITCHELL, CHRISTOPHER E.; BATTLE, RYAN W.; ANDERSON, DARREN L.; POLEY, JOSHUA G.
To: MICROSOFT CORPORATION
Reel/Frame 011574/0349 →
Assignment of Assignor's Interest Dec 9, 2014
From: MICROSOFT CORPORATION
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 034541/0001 →