IP Library Assignment 031082/0160
Patent Assignment
Reel/Frame 031082/0160

Assignment of Assignor's Interest

Recorded: 2013-08-26 Pages: 6
Assignors
SIGMUND, WILLIAM JOSEPH
Executed: 2008-09-12
ZUBAS, MICHAEL ROBERT
Executed: 2008-09-15
RAINER, BRIAN KEITH
Executed: 2008-09-15
Assignee
AT&T MOBILITY II LLC
1025 LENOX PARK BOULEVARD, ATLANTA, GEORGIA, 30319
Covered Property (1)
Systems and Methods for Providing Enhanced Voicemail Services
Patent: 8,548,438 →
Application: 12/485,484 →
Publication: US 2009/0253413
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 26, 2017
From: AT&T MOBILITY II LLC
To: NUANCE COMMUNICATIONS, INC.
Reel/Frame 041494/0590 →
Assignment of Assignor's Interest Nov 9, 2023
From: NUANCE COMMUNICATIONS, INC.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 065531/0665 →