IP Library › Assignment 022995/0492
Patent Assignment
Reel/Frame 022995/0492

Assignment of Assignor's Interest

Recorded: 2009-07-23 Pages: 6
Assignors
BURNS, QUINTIN SWAYNE
Executed: 2009-06-03
HUGHES, ROBERT KILROY, JR.
Executed: 2009-06-11
SIMMONS, JOHN CARL
Executed: 2009-06-01
Assignee
MICROSOFT CORPORATION
ONE MICROSOFT WAY, REDMOND, WASHINGTON, 98052
Covered Property (1)
Multiple Content Protection Systems in a File
Patent: 8,904,191 →
Application: 12/485,949 →
Publication: US 2010/0185854
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 1, 2012
From: FIERSTEIN, SCOTT J.
To: MICROSOFT CORPORATION
Reel/Frame 028702/0538 →
Assignment of Assignor's Interest Dec 9, 2014
From: MICROSOFT CORPORATION
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 034564/0001 →