Patent Assignment
Reel/Frame 005998/0423
Assignment of Assignors Interest.
Recorded: 1991-11-27
Pages: 3
Assignor
SYU, DZU-WAN
Executed: 1991-11-27
Assignee
INTERNATIONAL TELESYSTEMS CORPORATION, A CORP. OF VA
600 HERNDON PARKWAY, HERNDON, VIRGINIA, 22070
Covered Property
(1)
Call Progress Pacing
Patent:
5,179,589 →
Application:
07/800,546 →
Related Assignments
(12)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jun 3, 1993
From: INTERNATIONAL TELEYSTEMS CORPORATION
To: SIGNET BANK/VIRGINIA
Reel/Frame 006615/0426 →
Release of Security Interest
Dec 21, 1993
From: INTERNATIONAL TELESYSTEMS CORPORATION
To: SIGNET BANK/VIRGINIA
Reel/Frame 006807/0211 →
Assignment of Assignor's Interest
Apr 5, 2001
From: EIS INTERNATIONAL, INC.
To: PORTAL CONNECT, INC.
Reel/Frame 011667/0463 →
Merger
Nov 8, 2001
From: PORTAL CONNECT, INC. (A DELAWARE CORPORATION)
To: PORTAL CONNECT, INC. ( A VIRGINIA CORPORATION)
Reel/Frame 012343/0591 →
Change of Name
Nov 8, 2001
From: PORTAL CONNECT, INC.
To: SER SOLUTIONS INC.
Reel/Frame 012343/0302 →
Change of Name
Nov 8, 2001
From: SER SOLUTIONS, INC. (A VIRGINIA CORPORATION)
To: SER SOLUTIONS, INC. (A VIRGINIA CORPORATION)
Reel/Frame 012343/0896 →
Security Agreement
Nov 13, 2001
From: SER SOLUTIONS, INC.
To: SILICON VALLEY BANK
Reel/Frame 012520/0111 →
Release
Feb 15, 2006
From: SILICON VALLEY BANK
To: SER SOLUTIONS, INC.
Reel/Frame 017555/0155 →
Patent Security Agreement
Feb 27, 2006
From: SER SOLUTIONS, INC.
To: MAGNETAR FINANCIAL LLC
Reel/Frame 017223/0075 →
Release of Security Interest
Jan 5, 2009
From: MAGNETAR FINANCIAL LLC, BY ITS SUCCESSOR ADMINISTRATIVE AGENT, ATALAYA ADMINISTRATIVE LLC
To: SER SOLUTIONS, INC.
Reel/Frame 022052/0456 →
Merger
Oct 8, 2010
From: SER SOLUTIONS, INC.
To: SIEMENS ENTERPRISE COMMUNICATIONS, INC.
Reel/Frame 025114/0161 →
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 →