Patent Assignment
Reel/Frame 017122/0926
Assignment of Assignor's Interest
Recorded: 2005-10-19
Pages: 4
Assignee
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
824 MARKET STREET, SUITE 901, WILMINGTON, DELAWARE, 19801
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
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
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: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
To: AT&T INTELLECTUAL PROPERTY, INC.
Reel/Frame 050659/0247 →
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 →