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Cleaning solution generator
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Patent number 9,162,904
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Issue date Oct 20, 2015
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Tennant Company
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Robert James Guastella
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Cleaning solution generator
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Patent number D674462
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Issue date Jan 15, 2013
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Tennant Company
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Robert James Guastella
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D23 - Environmental heating and cooling
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Cleaner cartridge
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Patent number 7,051,399
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Issue date May 30, 2006
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Tennant Company
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Bruce F. Field
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Cleaner cartridge
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Patent number D485175
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Issue date Jan 13, 2004
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Tennant Company
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Bruce F. Field
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D09 - Packages and containers for goods
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