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Co-extruded tubing
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Patent number 7,647,949
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Issue date Jan 19, 2010
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Natvar Holdings, Inc.
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Robert James Donohue
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Electric heating tube
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Patent number 4,156,127
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Issue date May 22, 1979
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Daikin Kogyo Co., Ltd.
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Junichi Sako
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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2959184
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Patent number 2,959,184
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Issue date Nov 8, 1960
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2817350
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Patent number 2,817,350
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Issue date Dec 24, 1957
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G01 - MEASURING TESTING
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2721100
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Patent number 2,721,100
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Issue date Oct 18, 1955
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2629258
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Patent number 2,629,258
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Issue date Feb 24, 1953
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G01 - MEASURING TESTING
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2468692
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Patent number 2,468,692
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Issue date Apr 26, 1949
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G01 - MEASURING TESTING
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2393867
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Patent number 2,393,867
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Issue date Jan 29, 1946
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2296055
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Patent number 2,296,055
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Issue date Sep 15, 1942
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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2231605
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Patent number 2,231,605
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Issue date Feb 11, 1941
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2218941
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Patent number 2,218,941
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Issue date Oct 22, 1940
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2161151
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Patent number 2,161,151
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Issue date Jun 6, 1939
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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2055954
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Patent number 2,055,954
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Issue date Sep 29, 1936
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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1970880
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Patent number 1,970,880
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Issue date Aug 21, 1934
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G05 - CONTROLLING REGULATING
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1783249
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Patent number 1,783,249
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Issue date Dec 2, 1930
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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1757171
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Patent number 1,757,171
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Issue date May 6, 1930
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G05 - CONTROLLING REGULATING
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1752620
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Patent number 1,752,620
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Issue date Apr 1, 1930
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G01 - MEASURING TESTING
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1721797
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Patent number 1,721,797
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Issue date Jul 23, 1929
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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1636123
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Patent number 1,636,123
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Issue date Jul 19, 1927
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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1592028
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Patent number 1,592,028
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Issue date Jul 13, 1926
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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1524739
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Patent number 1,524,739
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Issue date Feb 3, 1925
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1496300
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Patent number 1,496,300
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Issue date Jun 3, 1924
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1471528
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Patent number 1,471,528
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Issue date Oct 23, 1923
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1465207
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Patent number 1,465,207
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Issue date Aug 14, 1923
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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1280965
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Patent number 1,280,965
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Issue date Oct 8, 1918
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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1188516
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Patent number 1,188,516
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Issue date Jun 27, 1916
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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1181820
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Patent number 1,181,820
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Issue date May 2, 1916
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...