Patent Assignment
Reel/Frame 009170/0747
Assignment of Assignor's Interest
Recorded: 1998-04-22
Pages: 3
Assignor
JOHNSTON, JAMES DAVID
Executed: 1997-10-07
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013
Covered Property
(1)
Perceptual Coding of Audio Signals Employing Envelope Uncertainty
Patent:
6,466,912 →
Application:
08/937,950 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 22, 2016
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 038983/0256 →
Assignment of Assignor's Interest
Jun 22, 2016
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 038983/0386 →
Assignment of Assignor's Interest
Jan 26, 2017
From: AT&T INTELLECTUAL PROPERTY II, L.P.
To: NUANCE COMMUNICATIONS, INC.
Reel/Frame 041498/0316 →