IP Library › Assignment 050659/0247
Patent Assignment
Reel/Frame 050659/0247

Change of Name

Recorded: 2019-10-08 Pages: 3
Assignor
Assignee
AT&T INTELLECTUAL PROPERTY, INC.
6500 RIVER PLACE BOULEVARD, AUSTIN, TEXAS, 78730
Covered Property (1)
Methods, Apparatus and Computer Program Products for Allowing Access to in-Progress Calls via Calling Groups in a Voice Over Internet Protocol Communication System
Patent: 7,991,136 →
Application: 11/254,003 →
Publication: US 2007/0086446
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 19, 2005
From: DENNY, MICHAEL S.; HILL, SAMMIE WALTER
To: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
Reel/Frame 017122/0926 →
Assignment of Assignor's Interest Oct 8, 2019
From: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 050656/0584 →
Change of Name Oct 8, 2019
From: AT&T INTELLECTUAL PROPERTY, INC.
To: AT&T BLS INTELLECTUAL PROPERTY, INC.
Reel/Frame 050659/0330 →
Change of Name Oct 8, 2019
From: AT&T BLS INTELLECTUAL PROPERTY, INC.
To: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
Reel/Frame 050659/0483 →
Assignment of Assignor's Interest Oct 25, 2019
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: RINGCENTRAL, INC.
Reel/Frame 050824/0312 →
Security Interest Feb 14, 2023
From: RINGCENTRAL, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 062973/0194 →