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Inflatable mattresses
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Patent number 6,122,786
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Issue date Sep 26, 2000
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Rober Limited
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Graham Ball
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Liquid dosing device with digital display
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Patent number 4,815,632
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Issue date Mar 28, 1989
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Jencons (Scientific) Limited
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Graham J. Ball
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Liquid dosing device with digital display
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Patent number 4,760,939
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Issue date Aug 2, 1988
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Jencons (Scientific) Limited
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Graham J. Ball
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Gas mixing apparatus
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Patent number 4,546,794
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Issue date Oct 15, 1985
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The BOC Group plc
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Graham J. Ball
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE