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Patent

Hänvisningar finns i följande patent

citeras i Registreringsdatum Utfärdandedatum Ursprunglig innehavare Titel
US498381710 aug 19898 jan 1991Battelle Memorial InstituteBackground compensating bar code readers
US531199924 sep 199317 maj 1994Licentia Patent-Verwaltungs-GmbHMethod of distributing packages or the like
US593213917 nov 19953 aug 1999Hitachi Maxell, Ltd.Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader thereof
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US668878916 maj 200110 feb 2004Hitachi Maxell, Ltd.Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor