IP Library › Assignment 019879/0711
Patent Assignment
Reel/Frame 019879/0711

Certificate of Merger and Corporate Address Change

Recorded: 2007-09-25 Pages: 5
Assignor
Assignee
SIEMENS COMMUNICATIONS, INC.
1001 YAMATO ROAD, INTELLECTUAL PROPERTY DEPARTMENT, BOCA RATON, FLORIDA, 33431
Covered Property (1)
Enhancement of Sound Quality for Computer Telephony Systems
Patent: 7,289,626 →
Application: 09/850,040 →
Publication: US 2002/0164013
Related Assignments (10)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 27, 2010
From: SIEMENS COMMUNICATIONS, INC.
To: SIEMENS ENTERPRISE COMMUNICATIONS, INC.
Reel/Frame 024294/0040 →
Grant of Security Interest in U.S. Patents Nov 10, 2010
From: SIEMENS ENTERPRISE COMMUNICATIONS, INC.
To: WELLS FARGO TRUST CORPORATION LIMITED, AS SECURITY AGENT
Reel/Frame 025339/0904 →
Assignment of Assignor's Interest Apr 16, 2013
From: SIEMENS ENTERPRISE COMMUNICATIONS, INC.; SIEMENS ENTERPRISE COMMUNICATIONS GMBH & CO. KG
To: ENTERPRISE TECHNOLOGIES S.A.R.L.
Reel/Frame 030224/0375 →
Assignment of Assignor's Interest Apr 17, 2013
From: ENTERPRISE TECHNOLOGIES S.A.R.L.
To: ENTERPRISE SYSTEMS TECHNOLOGIES S.A.R.L.
Reel/Frame 030231/0039 →
Release of Security Interest Jan 13, 2016
From: WELLS FARGO TRUST CORPORATION LIMITED
To: SIEMENS ENTERPRISE COMMUNICATIONS INC.
Reel/Frame 037472/0736 →
Assignment of Assignor's Interest Jan 29, 2022
From: UNIFY PATENTE GMBH & CO. KG
To: RINGCENTRAL IP HOLDINGS, INC.
Reel/Frame 058819/0318 →
Assignment of Assignor's Interest Jan 30, 2022
From: RINGCENTRAL IP HOLDINGS, INC.
To: RINGCENTRAL, INC.
Reel/Frame 058821/0690 →
Assignment of Assignor's Interest Apr 11, 2022
From: ENTERPRISE SYSTEM TECHNOLOGIES S.A.R.L.
To: UNIFY PATENTE GMBH & CO. KG
Reel/Frame 059556/0212 →
Assignment of Assignor's Interest Aug 1, 2022
From: ENTERPRISE SYSTEM TECHNOLOGIES S.A.R.L.
To: UNIFY PATENTE GMBH & CO. KG
Reel/Frame 060685/0391 →
Security Interest Feb 14, 2023
From: RINGCENTRAL, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 062973/0194 →