IP Library › Assignment 021718/0502
Patent Assignment
Reel/Frame 021718/0502

Assignment of Assignor's Interest

Recorded: 2008-10-22 Pages: 3
Assignor
ZAMPIELLO, GEOFFREY
Executed: 2008-10-16
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
"Methods, Systems, and Products for Providing Ring Backs."
Patent: 8,031,854 →
Application: 12/254,286 →
Publication: US 2010/0098223
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 →