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3504694
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Patent number 3,504,694
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E03 - WATER SUPPLY SEWERAGE
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2600187
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Patent number 2,600,187
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Issue date Jun 10, 1952
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E03 - WATER SUPPLY SEWERAGE
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2555727
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Patent number 2,555,727
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Issue date Jun 5, 1951
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E03 - WATER SUPPLY SEWERAGE
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2099928
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Patent number 2,099,928
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Issue date Nov 23, 1937
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E03 - WATER SUPPLY SEWERAGE
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958351
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Patent number 958,351
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Patent number 514,784
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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217817
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Patent number 217,817
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B60 - VEHICLES IN GENERAL
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Patent number 180,780
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E03 - WATER SUPPLY SEWERAGE
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163425
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Patent number 163,425
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E03 - WATER SUPPLY SEWERAGE
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134013
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Patent number 134,013
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121771
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Patent number 121,771
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E03 - WATER SUPPLY SEWERAGE
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50235
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Patent number 50,235
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E03 - WATER SUPPLY SEWERAGE
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Patent number 4,692
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G05 - CONTROLLING REGULATING