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Ronald J. Matej

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  • Parma, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustably timed thread roll machine
    • Patent number 4,195,508
    • Issue date Apr 1, 1980
    • Prutton Corporation
    • Ronald J. Matej
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Straightening machine
    • Patent number 3,930,392
    • Issue date Jan 6, 1976
    • Prutton Corporation
    • Ronald J. Matej
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...