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Device for sealing lengths of filter paper
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Patent number 7,299,600
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Issue date Nov 27, 2007
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I.M.A. Industria Macchine Automatiche S.p.A.
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Rodolfo Caroli
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Starch adhesive bonding
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Patent number 5,114,509
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Issue date May 19, 1992
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Battelle Memorial Institute
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Herbert N. Johnston
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Starch adhesive bonding
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Patent number 4,747,894
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Issue date May 31, 1988
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Battelle Memorial Institute
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Herbert N. Johnston
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Ultrasonic paper welding
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Patent number 4,149,288
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Issue date Apr 17, 1979
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Bernard T. Sendor
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3426951
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Patent number 3,426,951
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Issue date Feb 11, 1969
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3411698
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Patent number 3,411,698
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3222235
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Patent number 3,222,235
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Issue date Dec 7, 1965
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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1174070
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Issue date Mar 7, 1916
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD