Patent Assignment
Reel/Frame 027597/0275
Assignment of Assignor's Interest
Recorded: 2012-01-26
Pages: 6
Assignor
COMDIAL CORPORATION
Executed: 2005-09-27
Assignee
VERTICAL COMMUNICATIONS ACQUISITION CORP.
3979 FREEDOM CIRCLE, SANTA CLARA, CALIFORNIA, 95054
Covered Property
(1)
Systems and Methods for Information Exchange and Synchronization Using Dtmf Over Telephone Communication Channels
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 25, 2012
From: KASTURI, SRIVATSAN; ALAGIRI, G.; NAGARAJAN, VINOD; KALIPATNAPU, RAJAH
To: SOUNDPIPE, INC.
Reel/Frame 027594/0507 →
Assignment of Assignor's Interest
Jan 25, 2012
From: SOUNDPIPE, INC.
To: COMDIAL CORPORATION
Reel/Frame 027594/0550 →
Assignment of Assignor's Interest
Jan 26, 2012
From: VERTICAL COMMUNICATIONS ACQUISITION CORP.
To: DIGITAL RESOURCE PARTNERS LLC
Reel/Frame 027597/0308 →
Assignment of Assignor's Interest
Jan 30, 2012
From: DIGITAL RESOURCE PARTNERS LLC
To: MIST SILICON LIMITED LIABILITY COMPANY
Reel/Frame 027619/0642 →
Merger
Dec 11, 2015
From: MIST SILICON LIMITED LIABILITY COMPANY
To: CHEMTRON RESEARCH LLC
Reel/Frame 037271/0722 →