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Issue date Jan 27, 1970
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3408554
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3302085
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Patent number 3,259,755
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B66 - HOISTING LIFTING HAULING
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3247361
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3177419
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3163815
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3136941
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G05 - CONTROLLING REGULATING
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3136927
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G05 - CONTROLLING REGULATING
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3105154
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Patent number 3,105,154
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G05 - CONTROLLING REGULATING
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3102229
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3087066
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3083322
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G05 - CONTROLLING REGULATING
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3083327
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G05 - CONTROLLING REGULATING
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3079545
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G05 - CONTROLLING REGULATING
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3078380
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Patent number 3,078,380
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G05 - CONTROLLING REGULATING
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3066607
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G05 - CONTROLLING REGULATING
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3064181
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G05 - CONTROLLING REGULATING
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3062968
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Issue date Nov 6, 1962
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G05 - CONTROLLING REGULATING
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3060412
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G05 - CONTROLLING REGULATING