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Razor wire
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Patent number 9,297,179
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Issue date Mar 29, 2016
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BIRMINGHAM BARBED TAPE LTD.
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Ronald Smith
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Floating barrier
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Patent number 9,239,214
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Issue date Jan 19, 2016
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BIRMINGHAM BARBED TAPE LTD.
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Ronald Smith
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F41 - WEAPONS
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Barrier collection system
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Patent number 8,931,998
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Issue date Jan 13, 2015
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Birmingham Barbed Tape Ltd.
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Ronald Smith
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F41 - WEAPONS
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Fence panel
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Patent number 8,864,109
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Issue date Oct 21, 2014
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Birmingham Barbed Tape Ltd.
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Ian Dundonld Cochrane
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E04 - BUILDING