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Home › Method and apparatus for user authentication

Method and apparatus for user authentication

US Patent 8194651 · Granted Jun 5, 2012

Estimated economic value: $630,000 ⓘ

Assignee

Zoom Telephonics

Inventors

Dean N. Panagopoulos (1 patents)
Douglas Raum (1 patents)
Tader Chang (1 patents)
William Hume Vance (5 patents)

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