Laser etched security features for identification documents and methods of making same | Patent Publication Number 20040011874

US 20040011874 A1
Patent NumberUS 07207494 B2
Application Number10330033
Filled DateDec 24, 2002
Priority DateDec 24, 2001
Publication DateJan 22, 2004
Original AssigneeDigimarc Corporation
Current AssigneeMorphotrust Usa
Inventor/ApplicantsRobert Jones
George Theodossiou
George Theodossiou
Robert Jones
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