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Combination lock
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Patent number 4,376,380
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Issue date Mar 15, 1983
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John D. Brush & Co., Inc.
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George M. Burgess
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Fire-resistant safe and panel
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Patent number 4,263,365
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Issue date Apr 21, 1981
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John D. Brush & Co., Inc.
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George M. Burgess
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Safe
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Patent number 4,048,926
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Issue date Sep 20, 1977
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John D. Brush & Co., Inc.
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John D. Brush
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES