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Plant watering container
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Patent number 5,860,249
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Issue date Jan 19, 1999
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International Plant Breeding A.G.
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Reinhold Holtkamp
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Plant stand with self-watering trays
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Patent number 5,673,511
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Issue date Oct 7, 1997
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Holtkamp Greenhouses, Inc.
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Reinhold Holtkamp
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Watering wick for potted plant
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Patent number 5,647,170
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Issue date Jul 15, 1997
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International Plant Breeding A.G.
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Reinhold Holtkamp
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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