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Heat and moisture exchanger
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Patent number 5,906,201
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Issue date May 25, 1999
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Gibeck AB; Louis
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Billy Nilson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Self-closing apparatus
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Patent number 5,857,595
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Issue date Jan 12, 1999
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Billy Nilson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Self-closing dispensing device
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Patent number 5,845,817
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Issue date Dec 8, 1998
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Cenova AB
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Billy Nilson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Two-chamber package
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Patent number 4,149,633
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Issue date Apr 17, 1979
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KeNova AB
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Billy N. Nilson
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Spraying device
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Patent number 4,146,182
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Issue date Mar 27, 1979
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KeNova AB
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Billy N. Nilson
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Safety valve
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Patent number 4,112,971
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Issue date Sep 12, 1978
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KeNova AB
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Billy N. Nilson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL