TREA

Donald J. McCarthy

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  • Hayward, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling element cage constraint
    • Patent number 5,180,230
    • Issue date Jan 19, 1993
    • Etec Systems, Inc.
    • Donald J. McCarthy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Specimen distance measuring system
    • Patent number 4,788,431
    • Issue date Nov 29, 1988
    • The Perkin-Elmer Corporation
    • William A. Eckes
    • H01 - BASIC ELECTRIC ELEMENTS