Patent Assignment
Reel/Frame 012439/0393
Assignment of Assignor's Interest
Recorded: 2002-01-09
Pages: 3
Assignors
YU, ZHENGCHEN
Executed: 2001-11-05
SHIEH, WILLIAM
Executed: 2001-11-05
CLARK, THOMAS R., JR.
Executed: 2001-11-05
PETRICEVIC, VLADIMIR
Executed: 2001-11-07
Assignee
DORSAL NETWORKS, INC.
9212 BERGER ROAD, COLUMBIA, MARYLAND, 21046
Covered Property
(1)
Methods of Signal Substitution for Maintenance of Amplifier Saturation
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 18, 2007
From: DORSAL NETWORKS, INC.
To: DORSAL NETWORKS, LLC
Reel/Frame 020261/0434 →
Assignment of Assignor's Interest
Nov 30, 2009
From: DORSAL NETWORKS, LLC
To: LEVEL 3 COMMUNICATIONS, LLC
Reel/Frame 023574/0515 →
Assignment of Assignor's Interest
Mar 9, 2021
From: LEVEL 3 COMMUNICATIONS, LLC
To: OPTIC153 LLC
Reel/Frame 056469/0773 →