IP Library Assignment 028860/0024
Patent Assignment
Reel/Frame 028860/0024

Assignment of Assignor's Interest

Recorded: 2012-08-28 Pages: 4
Assignors
KUNG, YU-LEIN
Executed: 2008-11-21
STEIN, JEFFREY
Executed: 2008-11-24
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
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
Patent: 8,755,499 →
Application: 13/596,378 →
Publication: US 2012/0328083
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →