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3189078
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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2788637
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2670605
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Patent number 2,670,605
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2637469
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Patent number 2,637,469
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Issue date May 5, 1953
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E21 - EARTH DRILLING MINING
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2467934
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Patent number 2,467,934
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Issue date Apr 19, 1949
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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2180090
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Patent number 2,180,090
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Issue date Nov 14, 1939
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2157103
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Patent number 2,157,103
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Issue date May 9, 1939
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2075293
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Patent number 2,075,293
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Issue date Mar 30, 1937
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E21 - EARTH DRILLING MINING
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2040059
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Patent number 2,040,059
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Issue date May 5, 1936
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2037714
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Patent number 2,037,714
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Issue date Apr 21, 1936
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2037673
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Patent number 2,037,673
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Issue date Apr 14, 1936
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2035396
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Patent number 2,035,396
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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2028119
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Patent number 2,028,119
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Issue date Jan 14, 1936
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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1998629
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Patent number 1,998,629
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Issue date Apr 23, 1935
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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1892734
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Patent number 1,892,734
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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1884458
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Patent number 1,884,458
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Issue date Oct 25, 1932
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1840100
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Patent number 1,840,100
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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1825443
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Patent number 1,825,443
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent number 1,794,670
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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1792328
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Patent number 1,792,328
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent number 1,780,538
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1757880
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Patent number 1,757,880
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent number 1,712,733
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent number 839,546
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent number 811,823
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Issue date Feb 6, 1906
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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772410
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Patent number 772,410
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Issue date Oct 18, 1904
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES