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Cover lock assembly
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Patent number 4,023,386
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Issue date May 17, 1977
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BMR Security Products Corporation
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Russell W. Walters
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Shield lock assembly
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Patent number 4,022,037
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Issue date May 10, 1977
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BMR Security Products Corporation
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Russell W. Walters
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Depository
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Patent number 3,976,345
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Issue date Aug 24, 1976
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BMR Security Products Corporation
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Russell W. Walters
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Bar lock assembly modifications
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Patent number 3,940,957
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Issue date Mar 2, 1976
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BMR Security Products Corporation
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Russell W. Walters
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES