Patent Assignment
Reel/Frame 029300/0351
Change of Name
Recorded: 2012-11-14
Pages: 3
Assignor
EMBARQ HOLDINGS COMPANY, LLC
Executed: 2012-03-23
Assignee
CENTURYLINK INTELLECTUAL PROPERTY LLC
1801 CALIFORNIA STREET, SUITE 900, DENVER, COLORADO, 80202
Covered Property
(1)
Method, System, and Apparatus for Attenuating Dual-Tone Multiple Frequency Confirmation Tones in a Telephone Set
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.