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2809568
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Patent number 2,809,568
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Issue date Oct 15, 1957
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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2499762
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Patent number 2,499,762
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Issue date Mar 7, 1950
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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1618491
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Patent number 1,618,491
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Issue date Feb 22, 1927
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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1476115
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Patent number 1,476,115
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Issue date Dec 4, 1923
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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1160693
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Patent number 1,160,693
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Issue date Nov 16, 1915
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD