Patent Assignment
Reel/Frame 020431/0418
Assignment of Assignor's Interest
Recorded: 2008-01-30
Pages: 7
Assignors
EICHEN, ELLIOT
Executed: 2005-07-26
ISRAEL, ROBERT
Executed: 2005-07-21
OLSHANSKY, ROBERT
Executed: 2005-07-26
Assignee
LEVEL 3 COMMUNICATIONS, INC.
1025 ELDORADO BOULEVARD, BROOMFIELD, COLORADO, 80021
Covered Property
(1)
System and Method for Ip Telephony Ping
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 25, 2005
From: ISRAEL, ROBERT
To: LEVEL 3 COMMUNICATIONS, INC.
Reel/Frame 016304/0023 →
Security Agreement
Sep 6, 2006
From: LEVEL 3 COMMUNICATIONS, INC.; ICG COMMUNICATIONS, INC.
To: MERRILL LYNCH CAPITAL CORPORATION, AS COLLATERAL AGENT
Reel/Frame 018207/0120 →
Assignment of Assignor's Interest
Mar 12, 2007
From: LEVEL 3 COMMUNICATIONS, INC.
To: LEVEL 3 COMMUNICATIONS, LLC
Reel/Frame 018989/0678 →