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Evan J. Johnson

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  • Eden Prairie, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tubular heater and method of manufacture
    • Patent number 7,064,303
    • Issue date Jun 20, 2006
    • Thermetic Products, Inc.
    • Evan J. Johnson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL