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Pool cleaning apparatus
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Patent number 6,581,232
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Issue date Jun 24, 2003
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Michael John Chandler
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Multiprogrammable pinch valve module
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Patent number 4,457,339
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Issue date Jul 3, 1984
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Coulter Electronics, Inc.
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Juan J. S. Juan
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3921904
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Patent number 3,921,904
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Issue date Nov 25, 1975
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3863079
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Patent number 3,863,079
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Issue date Jan 28, 1975
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3621264
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Patent number 3,621,264
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Issue date Nov 16, 1971
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G05 - CONTROLLING REGULATING
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3425446
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Patent number 3,425,446
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Issue date Feb 4, 1969
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G05 - CONTROLLING REGULATING
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3205717
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Patent number 3,205,717
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Issue date Sep 14, 1965
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H01 - BASIC ELECTRIC ELEMENTS
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3140720
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Patent number 3,140,720
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Issue date Jul 14, 1964
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3118606
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Patent number 3,118,606
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Issue date Jan 21, 1964
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3112761
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Patent number 3,112,761
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Issue date Dec 3, 1963
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G05 - CONTROLLING REGULATING
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3063643
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Patent number 3,063,643
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Issue date Nov 13, 1962
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3037704
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Patent number 3,037,704
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Issue date Jun 5, 1962
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G05 - CONTROLLING REGULATING
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3002526
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Patent number 3,002,526
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Issue date Oct 3, 1961
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E21 - EARTH DRILLING MINING
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3000398
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Patent number 3,000,398
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Issue date Sep 19, 1961
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2986167
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Patent number 2,986,167
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Issue date May 30, 1961
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H01 - BASIC ELECTRIC ELEMENTS
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2952273
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Patent number 2,952,273
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Issue date Sep 13, 1960
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2881803
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Patent number 2,881,803
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Issue date Apr 14, 1959
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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2875428
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Patent number 2,875,428
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Issue date Feb 24, 1959
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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2871882
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Patent number 2,871,882
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Issue date Feb 3, 1959
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2864650
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Patent number 2,864,650
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Issue date Dec 16, 1958
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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2766848
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Patent number 2,766,848
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Issue date Oct 16, 1956
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2696082
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Patent number 2,696,082
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Issue date Dec 7, 1954
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G05 - CONTROLLING REGULATING
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2638110
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Patent number 2,638,110
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Issue date May 12, 1953
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E21 - EARTH DRILLING MINING
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2606609
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Patent number 2,606,609
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Issue date Aug 12, 1952
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2599458
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Patent number 2,599,458
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Issue date Jun 3, 1952
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E21 - EARTH DRILLING MINING
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2579998
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Patent number 2,579,998
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Issue date Dec 25, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2551334
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Patent number 2,551,334
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Issue date May 1, 1951
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E21 - EARTH DRILLING MINING