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3817733
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Patent number 3,817,733
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Issue date Jun 18, 1974
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3706543
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Patent number 3,706,543
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Issue date Dec 19, 1972
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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3607192
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Patent number 3,607,192
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Issue date Sep 21, 1971
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G07 - CHECKING-DEVICES
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3485613
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Patent number 3,485,613
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Issue date Dec 23, 1969
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C03 - GLASS MINERAL OR SLAG WOOL
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2378146
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Patent number 2,378,146
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Issue date Jun 12, 1945
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C03 - GLASS MINERAL OR SLAG WOOL
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2300917
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Patent number 2,300,917
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Issue date Nov 3, 1942
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C03 - GLASS MINERAL OR SLAG WOOL