TREA

Jeffry R. Yago

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  • Barboursville, WV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mine car
    • Patent number 4,174,013
    • Issue date Nov 13, 1979
    • Lester Construction Co.
    • Jeffry R. Yago
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Permissible mine car adapter assembly
    • Patent number 4,094,361
    • Issue date Jun 13, 1978
    • Lester Construction Company
    • Jeffry R. Yago
    • E21 - EARTH DRILLING MINING