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  • Publication Date: December 31, 1969
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    US-2011056619-A1March 10, 2011The Machines Yvonand SaMethod for producing drip irrigation pipes
    US-2012145812-A1June 14, 2012Jae Gon KimWater-drip hose
    US-2012160360-A1June 28, 2012Delavan Inc.Flexible fluid conduit
    US-5034080-AJuly 23, 1991Impact International Pty. Ltd.Method of making a laminated tubular body
    US-5324379-AJune 28, 1994Drip Irrigation Systems, Ltd.Method and apparatus for producing drip irrigation conduit
    US-5358580-AOctober 25, 1994Toyox Co., Ltd.Process for manufacturing hose having reinforcement incorporated therein and apparatus therefor
    US-5591389-AJanuary 07, 1997Esrock; Bernard S.Method for making disposable tubular device
    US-6109535-AAugust 29, 2000Lindsay Manufacturing CompanyCorrosion resistant irrigation machine
    US-6464816-B1October 15, 2002T-Systems International, Inc.Method and apparatus for making a drip irrigation hose
    US-6936126-B2August 30, 2005T-Systems International, Inc.Method of manufacture of a drip irrigation hose
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    US-8955774-B2February 17, 2015Sam Won Industry Co., Ltd.Water-drip hose
    US-8967206-B2March 03, 2015Delavan Inc.Flexible fluid conduit
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    US-9883640-B2February 06, 2018Rain Bird CorporationMethods and apparatus for transporting elastomeric emitters and/or manufacturing drip lines
    US-RE37324-EAugust 14, 2001Bernard S. EsrockMethod for making disposable tubular device