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Snap acting switches
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Patent number 4,788,388
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Issue date Nov 29, 1988
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B/K Patent Development, Inc.
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Lyndon W. Burch
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H01 - BASIC ELECTRIC ELEMENTS
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Snap-acting mechanisms
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Patent number 4,424,506
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Issue date Jan 3, 1984
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B/K Patent Development, Inc.
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Lyndon W. Burch
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H01 - BASIC ELECTRIC ELEMENTS
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Circuit breaker
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Patent number 4,325,046
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Issue date Apr 13, 1982
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B/K Patent Development, Inc.
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Hadley K. Burch
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H01 - BASIC ELECTRIC ELEMENTS
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Snap-ating mechanisms
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Patent number 4,032,734
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Issue date Jun 28, 1977
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B/K Patent Development, Inc.
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Hadley K. Burch
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H01 - BASIC ELECTRIC ELEMENTS
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