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Single channel encoder system
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Patent number 4,789,874
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Issue date Dec 6, 1988
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Hewlett-Packard Company
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Mark W. Majette
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G06 - COMPUTING CALCULATING COUNTING
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Plural robotic drive
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Patent number 4,714,400
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Issue date Dec 22, 1987
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IBM Corporation
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Joseph A. Barnett
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G05 - CONTROLLING REGULATING
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Two-axis positioning system
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Patent number 4,507,598
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Issue date Mar 26, 1985
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Matsushita Electric Industrial Co., Ltd.
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Noriaki Wakabayashi
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G05 - CONTROLLING REGULATING
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3529170
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Patent number 3,529,170
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Issue date Sep 15, 1970
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3465331
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Patent number 3,465,331
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Issue date Sep 2, 1969
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G05 - CONTROLLING REGULATING
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3400391
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Patent number 3,400,391
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Issue date Sep 3, 1968
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G05 - CONTROLLING REGULATING
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3346848
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Patent number 3,346,848
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Issue date Oct 10, 1967
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G05 - CONTROLLING REGULATING
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3056029
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Patent number 3,056,029
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Issue date Sep 25, 1962
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G05 - CONTROLLING REGULATING