IP Library Assignment 020114/0362
Patent Assignment
Reel/Frame 020114/0362

Assignment of Assignor's Interest

Recorded: 2007-10-31 Pages: 4
Assignor
RAY, AMAR N.
Executed: 2007-10-30
Assignee
EMBARQ HOLDING COMAPNY LLC
5454 W. 110TH STREET, KSOPKJ0701, OVERLAND PARK, KANSAS, 66251
Covered Property (1)
Method, System, and Apparatus for Attenuating Dual-Tone Multiple Frequency Confirmation Tones in a Telephone Set
Patent: 8,335,308 →
Application: 11/981,065 →
Publication: US 2009/0110183
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 14, 2012
From: EMBARQ HOLDINGS COMPANY, LLC
To: CENTURYLINK INTELLECTUAL PROPERTY LLC
Reel/Frame 029300/0351 →