TREA

Joseph Marcella

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  • Sun Valley, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of belling plastic pipe and apparatus therefor
    • Patent number 4,059,379
    • Issue date Nov 22, 1977
    • Emery Company, Inc.
    • Wolfram G. Korff
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipe belling and chamfering machine
    • Patent number 4,014,640
    • Issue date Mar 29, 1977
    • Vern Emery Company, Inc.
    • Vernon V. Emery
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL