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Philip M. Witkin

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  • Greenville, SC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clean air oven with heat recovery and method
    • Patent number 5,351,416
    • Issue date Oct 4, 1994
    • Marshall and Williams Company
    • Philip M. Witkin
    • F26 - DRYING
  • Information Patent Grant

    Tube dryer assembly
    • Patent number 4,341,024
    • Issue date Jul 27, 1982
    • Philip M. Witkin
    • F26 - DRYING
  • Information Patent Grant

    Dryer range
    • Patent number 4,295,284
    • Issue date Oct 20, 1981
    • Marshall and Williams Company
    • Philip M. Witkin
    • F26 - DRYING