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Tube processing machine
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Patent number 5,022,909
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Issue date Jun 11, 1991
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Swanson Systems, Inc.
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Douglas L. Swanson
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C03 - GLASS MINERAL OR SLAG WOOL
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Vial tooling apparatus
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Patent number 4,441,908
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Issue date Apr 10, 1984
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Owens-Illinois, Inc.
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Otto Zauner
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C03 - GLASS MINERAL OR SLAG WOOL
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3759682
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Patent number 3,759,682
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Issue date Sep 18, 1973
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3652247
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Patent number 3,652,247
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Issue date Mar 28, 1972
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C03 - GLASS MINERAL OR SLAG WOOL
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3586521
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Patent number 3,586,521
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Issue date Jun 22, 1971
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C03 - GLASS MINERAL OR SLAG WOOL
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3585053
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Patent number 3,585,053
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Issue date Jun 15, 1971
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C03 - GLASS MINERAL OR SLAG WOOL
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3585054
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Patent number 3,585,054
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Issue date Jun 15, 1971
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C03 - GLASS MINERAL OR SLAG WOOL