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Soaker/sprinkler hose
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Patent number 6,991,181
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Issue date Jan 31, 2006
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FAIP North America, Inc.
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Gus Alexander
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Webbed plastic tubing
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Patent number 4,239,830
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Issue date Dec 16, 1980
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Harry Ball
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Process for perforating plastics tubes
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Patent number 4,112,795
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Issue date Sep 12, 1978
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Wavin B.V.
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Warner Jan de Putter
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3832259
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Patent number 3,832,259
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Issue date Aug 27, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3759123
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Patent number 3,759,123
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Issue date Sep 18, 1973
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3635111
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Patent number 3,635,111
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Issue date Jan 18, 1972
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3620115
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Patent number 3,620,115
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Issue date Nov 16, 1971
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3604301
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Patent number 3,604,301
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Issue date Sep 14, 1971
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B26 - HAND CUTTING TOOLS CUTTING SEVERING