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Frederick I. Wakefield

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  • Durham, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slush molding method with selective heating of mold by air jets
    • Patent number 4,623,503
    • Issue date Nov 18, 1986
    • Ex-Cell-O Corporation
    • Emmanuel Anestis
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Deaerator assembly
    • Patent number 4,338,100
    • Issue date Jul 6, 1982
    • Ex-Cell-O Corporation
    • John M. Wersosky
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL