IP Library › Assignment 031166/0364
Patent Assignment
Reel/Frame 031166/0364

Assignment of Assignor's Interest

Recorded: 2013-09-09 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: 8,917,827 →
Application: 14/021,452 →
Publication: US 2014/0011544
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 →