Patent Assignment
Reel/Frame 017266/0892
Assignment of Assignor's Interest
Recorded: 2004-11-18
Pages: 3
Assignors
BLICKBERNDT, DIRK
Executed: 2004-10-27
SCHAADE, STEPHAN
Executed: 2004-10-18
WILLE, KLAUS
Executed: 2004-10-11
Assignee
SIEMENS AKTIENGESELLSCHAFT
WITTELSBACHERPLATZ 2, 80333, MUENCHEN, GERMANY
Covered Property
(1)
Method for Supporting the Mobility of a Subscriber Across a Communication System
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 14, 2012
From: SIEMENS AKTIENGESELLSCHAFT
To: SIEMENS ENTERPRISE COMMUNICATIONS GMBH & CO. KG
Reel/Frame 028967/0427 →
Change of Name
Jun 13, 2014
From: SIEMENS ENTERPRISE COMMUNICATIONS GMBH & CO. KG
To: UNIFY GMBH & CO. KG
Reel/Frame 033156/0114 →
Contribution Agreement
Dec 22, 2020
From: UNIFY GMBH & CO. KG
To: UNIFY PATENTE GMBH & CO. KG
Reel/Frame 054828/0640 →
Assignment of Assignor's Interest
Jan 29, 2022
From: UNIFY PATENTE GMBH & CO. KG
To: RINGCENTRAL IP HOLDINGS, INC.
Reel/Frame 058819/0616 →
Assignment of Assignor's Interest
Jan 30, 2022
From: RINGCENTRAL IP HOLDINGS, INC.
To: RINGCENTRAL, INC.
Reel/Frame 058821/0906 →