Patent Assignment
Reel/Frame 021886/0461
Assignment of Assignor's Interest
Recorded: 2008-11-25
Pages: 4
Assignee
AT&T INTELLECTUAL PROPERTY I, LP
645 E PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Methods, Computer Program Products, and Systems for Managing Voice Over Internet Protocol (Voip) Network Elements
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Execution Date for 2ND Inventor Previously Recorded at Reel: 21886 Frame: 461. Assignor(S) Hereby Confirms the Assignment.
Oct 8, 2019
From: KUNG, YU-LEIN; STEIN, JEFFREY
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 051797/0270 →
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 →