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Welding apparatus
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Patent number 10,052,816
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Issue date Aug 21, 2018
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Lelster Technologies AG
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Flavio Sigrist
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Automatic welding machine
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Patent number 10,040,248
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Issue date Aug 7, 2018
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Leister Technologies AG
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Adolf Niederberger
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Automatic welding machine
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Patent number 9,925,716
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Issue date Mar 27, 2018
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Leister Technologies AG
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Adolf Niederberger
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Seam welder
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Patent number 5,865,942
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Issue date Feb 2, 1999
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Frank Sinclair
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Device for welding foil edges
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Patent number 5,490,626
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Issue date Feb 13, 1996
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Renald Kaminski
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Roofing seam roller
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Patent number 5,244,531
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Issue date Sep 14, 1993
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W-W Sales, Incorporated
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Phillip W. Wells
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Welding machine for foil webs
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Patent number 4,744,855
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Issue date May 17, 1988
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Pfaff Industriemaschinen G.m.b.H.
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Bernd Ellenberger
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Welding device for welding plastic strips
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Patent number 4,146,419
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Issue date Mar 27, 1979
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Sarna Kunststoff AG
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Wolfgang Neidhart
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL