TREA

Selwyn Raymond Rackoff

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  • Pittsburgh, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Force applying
    • Patent number 4,008,970
    • Issue date Feb 22, 1977
    • Asko, Inc.
    • John Charles Purcupile
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Work reducing
    • Patent number 4,008,598
    • Issue date Feb 22, 1977
    • Asko, Inc.
    • John Charles Purcupile
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...