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Tamper detection
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Patent number 6,515,574
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Issue date Feb 4, 2003
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Neopost Limited
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Raymond John Herbert
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G08 - SIGNALLING
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Postage metering apparatus
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Patent number 5,996,890
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Issue date Dec 7, 1999
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Neopost Limited
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Daniel John Lee
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G06 - COMPUTING CALCULATING COUNTING
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Franking machine system
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Patent number 5,657,689
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Issue date Aug 19, 1997
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Neopost Limited
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Daniel John Lee
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G07 - CHECKING-DEVICES
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Franking machine
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Patent number 5,602,977
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Issue date Feb 11, 1997
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Neopost Limited
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Daniel J. Lee
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G07 - CHECKING-DEVICES