Copy protection via multiple tests | Patent Number 07123739

US 07123739 B2
Application Number9969004
Publication NumberUS 20020136427 A1
Pendency5 years, 16 days
Filled DateOct 2, 2001
Priority DateFeb 26, 2001
Publication DateSep 26, 2002
Expiration DateFeb 26, 2021
Inventor/ApplicantsMichael Epstein
Antonius A. M. Staring
Michael Epstein
Antonius A.M. Staring
ExaminesNAKHJAVAN, SHERVIN K
Art Unit2621
Technology Center2600
Assignments
Gamehancement Llc
Current
Koninklijke Philips N.v.
Original
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