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Oral hygiene apparatus
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Patent number 8,114,038
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Issue date Feb 14, 2012
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John Stelmach
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Cold probe for cooling liquids
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Patent number 8,099,965
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Issue date Jan 24, 2012
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John Stelmach
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Animal accommodation station
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Patent number 7,353,775
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Issue date Apr 8, 2008
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John Stelmach
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Gutter guard
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Patent number 6,691,829
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Issue date Feb 17, 2004
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John J. Stelmach
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Magnetic pickup tool
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Patent number 5,265,887
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Issue date Nov 30, 1993
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John J. Stelmach
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Magnetic pickup tool
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Patent number 5,169,193
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Issue date Dec 8, 1992
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John J. Stelmach
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES