Patent Assignment
Reel/Frame 016534/0420
Assignment of Assignor's Interest
Recorded: 2005-05-02
Pages: 3
Assignee
SIEMENS COMMUNICATIONS, INC.
900 BROKEN SOUND PARKWAY, BOCA RATON, FLORIDA, 33487
Covered Property
(1)
Intelligent Terminal Sip Enabled Devices
Related Assignments
(9)
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 058819/0400 →
Assignment of Assignor's Interest
Jan 30, 2022
From: RINGCENTRAL IP HOLDINGS, INC.
To: RINGCENTRAL, INC.
Reel/Frame 058821/0796 →
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 →