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Donald J. Ehrlich

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  • Monon, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Splice rail assembly
    • Patent number 4,455,807
    • Issue date Jun 26, 1984
    • Evans Products Company
    • Donald J. Ehrlich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vehicle convertible double deck system
    • Patent number 4,281,870
    • Issue date Aug 4, 1981
    • Evans Products Company
    • Donald J. Ehrlich
    • B61 - RAILWAYS