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Positioning control system
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Patent number 4,245,297
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Issue date Jan 13, 1981
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Bunker Ramo Corporation
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Sidney Bertram
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G05 - CONTROLLING REGULATING
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3412298
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Patent number 3,412,298
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Issue date Nov 19, 1968
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G05 - CONTROLLING REGULATING
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3400314
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Patent number 3,400,314
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Issue date Sep 3, 1968
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G05 - CONTROLLING REGULATING
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3327101
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Patent number 3,327,101
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Issue date Jun 20, 1967
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G05 - CONTROLLING REGULATING
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3283129
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Patent number 3,283,129
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Issue date Nov 1, 1966
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G06 - COMPUTING CALCULATING COUNTING