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Dispensing system
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Patent number 4,908,886
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Issue date Mar 20, 1990
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Barrett, Sr.; John P.
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John P. Barrett
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G05 - CONTROLLING REGULATING
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Dispensing system
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Patent number 4,870,986
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Issue date Oct 3, 1989
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John P. Barrett
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G05 - CONTROLLING REGULATING
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High speed printer
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Patent number 4,860,219
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Issue date Aug 22, 1989
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National Business Systems, Inc.
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Daniel R. Schulz
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G06 - COMPUTING CALCULATING COUNTING
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Dispensing system
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Patent number 4,753,265
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Issue date Jun 28, 1988
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John P. Barrett
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G05 - CONTROLLING REGULATING
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Dispensing system
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Patent number 4,700,884
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Issue date Oct 20, 1987
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Barrett; John P.
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John P. Barrett
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G05 - CONTROLLING REGULATING
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