IP Library › Assignment 030930/0585
Patent Assignment
Reel/Frame 030930/0585

Assignment of Assignor's Interest

Recorded: 2013-08-02 Pages: 4
Assignors
GUPTA, NARENDRA K.
Executed: 2001-01-03
STERN, BENJAMIN J.
Executed: 2001-01-03
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013-2412
Covered Property (1)
Voice-operated interface for DTMF-controlled systems
Patent: 8,532,267 →
Application: 11/051,523 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 28, 2015
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 035509/0210 →
Assignment of Assignor's Interest Apr 28, 2015
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 035509/0319 →
Assignment of Assignor's Interest Jan 26, 2017
From: AT&T INTELLECTUAL PROPERTY II, L.P.
To: NUANCE COMMUNICATIONS, INC.
Reel/Frame 041512/0608 →