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3789861
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Patent number 3,789,861
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Issue date Feb 5, 1974
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B08 - CLEANING
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3582142
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Patent number 3,582,142
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Issue date Jun 1, 1971
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B08 - CLEANING
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3009837
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Patent number 3,009,837
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Issue date Nov 21, 1961
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B08 - CLEANING
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2877781
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Patent number 2,877,781
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Issue date Mar 17, 1959
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B08 - CLEANING
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2147593
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Patent number 2,147,593
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Issue date Feb 14, 1939
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B08 - CLEANING
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2093618
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Patent number 2,093,618
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Issue date Sep 21, 1937
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B08 - CLEANING
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1275571
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Patent number 1,275,571
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Issue date Aug 13, 1918
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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1238269
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Patent number 1,238,269
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Issue date Aug 28, 1917
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B08 - CLEANING