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Currency validator
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Patent number 4,858,744
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Issue date Aug 22, 1989
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Ardac, Inc.
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Anthony H. Dolejs
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G07 - CHECKING-DEVICES
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Security validator
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Patent number 4,513,439
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Issue date Apr 23, 1985
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Ardac, Inc.
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Robert L. Gorgone
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G07 - CHECKING-DEVICES
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Security validator
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Patent number 4,348,656
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Issue date Sep 7, 1982
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Ardac, Inc.
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Robert L. Gorgone
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G07 - CHECKING-DEVICES
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Note storage apparatus
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Patent number 4,000,892
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Issue date Jan 4, 1977
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Ardac, Inc.
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Frank A. Novak
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G07 - CHECKING-DEVICES