IP Library Assignment 019838/0388
Patent Assignment
Reel/Frame 019838/0388

Assignment of Assignor's Interest

Recorded: 2007-08-31 Pages: 4
Assignor
CHATTERJEE, KOUSHIK
Executed: 2007-08-30
Assignee
EMBARQ HOLDINGS COMPANY, LLC
5454 W. 110TH STREET, KSOPKJ0701, OVERLAND PARK, KANSAS, 66211
Covered Property (1)
System and Method for Providing a Customized Dialtone
Patent: 8,019,052 →
Application: 11/897,874 →
Publication: US 2009/0060159
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 24, 2021
From: EMBARQ HOLDINGS COMPANY, LLC
To: CENTURYLINK INTELLECTUAL PROPERTY LLC
Reel/Frame 057598/0902 →