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Slide action switch
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Patent number 4,539,446
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Issue date Sep 3, 1985
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Indak Manufacturing Corp.
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Andrew F. Raab
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H01 - BASIC ELECTRIC ELEMENTS
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Vacuum control valves
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Patent number 4,305,569
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Issue date Dec 15, 1981
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Indak Manufacturing Corp.
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Andrew F. Raab
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H01 - BASIC ELECTRIC ELEMENTS
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Fluid control switches
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Patent number 4,291,725
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Issue date Sep 29, 1981
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Indak Manufacturing Corp.
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Andrew F. Raab
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H01 - BASIC ELECTRIC ELEMENTS
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Electrical reversing switch
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Patent number 4,168,405
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Issue date Sep 18, 1979
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Indak Manufacturing Corp.
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Andrew F. Raab
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H01 - BASIC ELECTRIC ELEMENTS
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