Assignment of Assignor's Interest

Recorded: 2003-09-05 Pages: 3

Assignor

SIEGRIST, JOSEPH

Executed: 2003-09-02

Assignee

ESTARA INC

10805 PARKRIDGE BLVD., SUITE 150, RESTON, VIRGINIA, 20191

Covered Property (1)

Method and Apparatus for the Prevention of Unwanted Calls in a Callback System

Patent: 7,315,518 →

Application: 10/655,008 →

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.