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Control system
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Patent number 4,400,685
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Issue date Aug 23, 1983
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Emhart Industries, Inc.
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Benjamin F. Chestnut
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H01 - BASIC ELECTRIC ELEMENTS
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Double acting switch
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Patent number 4,384,176
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Issue date May 17, 1983
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Emhart Industries, Inc.
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Benjamin F. Chestnut
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H01 - BASIC ELECTRIC ELEMENTS
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Miniature timing mechanism
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Patent number 4,297,547
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Issue date Oct 27, 1981
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Emhart Industries, Inc.
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Benjamin F. Chestnut
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H01 - BASIC ELECTRIC ELEMENTS
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