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Johnny E. Etheridge

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  • Powhatan, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Material level sensing device
    • Patent number 5,150,613
    • Issue date Sep 29, 1992
    • Johnny E. Etheridge
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Primary crushing stage control system
    • Patent number 4,909,449
    • Issue date Mar 20, 1990
    • Johnny E. Etheridge
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Crusher control system
    • Patent number 4,804,148
    • Issue date Feb 14, 1989
    • Johnny E. Etheridge
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...