IP Library › Assignment 035508/0935
Patent Assignment
Reel/Frame 035508/0935

Assignment of Assignor's Interest

Recorded: 2015-04-28 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 AMERICA, NEW YORK, NEW YORK, 10013-2412
Covered Property (1)
Voice-Operated Interface for DTMF-Controlled Systems
Patent: 9,215,305 →
Application: 14/532,213 →
Publication: US 2015/0057051
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 →