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Patents Grants
last 30 patents
Information
Patent Grant
Optical testing for genuineness of bank notes and similar paper bills
Patent number
5,367,577
Issue date
Nov 22, 1994
Datalab Oy
Einar Gotaas
G07 - CHECKING-DEVICES
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Patent Grant
Method and a means for recognizing a coin
Patent number
5,236,074
Issue date
Aug 17, 1993
Datalab Oy
Einar Gotaas
G07 - CHECKING-DEVICES
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