IP Library Assignment 017375/0170
Patent Assignment
Reel/Frame 017375/0170

Assignment of Assignor's Interest

Recorded: 2006-03-28 Pages: 5
Assignors
BANGOR, AARON W.
Executed: 2006-03-15
REYNOLDS, DOUGLAS F.
Executed: 2006-03-15
BRANDT, JEFFREY L.
Executed: 2006-03-15
Assignee
SBC KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
System for Prompting the Caller Before and After Voice-Over-Internet-Protocol Call Connection
Patent: 7,590,229 →
Application: 11/318,729 →
Publication: US 2007/0147597
Related Assignments (8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 6, 2009
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 023061/0611 →
Assignment of Assignor's Interest Aug 6, 2009
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 023061/0533 →
Assignment of Assignor's Interest Aug 6, 2009
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 023061/0551 →
Corrective Assignment to Correct the State (of the Assignee Address) Previously Recorded on Reel 023061 Frame 0551. Assignor(S) Hereby Confirms the Reno, Nevada. Sep 22, 2009
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 023264/0152 →
Corrective Assignment to Correct the Nature of Conveyance Execution Date and Supporting Documentation Previously Recorded at Reel: 023061 Frame: 0611. Assignor(S) Hereby Confirms the Assignment. Oct 7, 2019
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 050648/0755 →
Corrective Assignment to Correct the Nature of Conveyance Previously Recorded at Reel: 023061 Frame: 0551. Assignor(S) Hereby Confirms the Change of Name. Oct 7, 2019
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 051930/0920 →
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 →