Patent Assignment
Reel/Frame 035088/0039
Assignment of Assignor's Interest
Recorded: 2015-03-04
Pages: 7
Assignee
MARCHEX, INC.
520 PIKE STREET, SUITE 2000, SEATTLE, WASHINGTON, 98101
Covered Property
(1)
Analyzing Voice Characteristics to Detect Fraudulent Call Activity and Take Corrective Action Without Using Recording, Transcription or Caller Id
Patent:
9,232,052 →
Application:
14/550,203 →