TREA

LeRoy B. Johnson

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  • Perry, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Two position control valve
    • Patent number 4,597,414
    • Issue date Jul 1, 1986
    • Schmelzer Corporation
    • LeRoy B. Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Temperature responsive time delay valve
    • Patent number 4,382,899
    • Issue date May 10, 1983
    • Schmelzer Corporation
    • LeRoy B. Johnson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS