TREA

Harold R. Johnson III

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  • Brown County, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Helical gearsets
    • Patent number 4,890,504
    • Issue date Jan 2, 1990
    • Emerson Electric Co.
    • Erwin R. Carrigan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    System for mounting a power transmission member to a shaft
    • Patent number 4,884,916
    • Issue date Dec 5, 1989
    • Emerson Electric Co.
    • Harold R. Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Helical gearsets
    • Patent number 4,794,811
    • Issue date Jan 3, 1989
    • Emerson Electric Co.
    • Erwin R. Carrigan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shaft aligned backstop for a reducer
    • Patent number 4,697,675
    • Issue date Oct 6, 1987
    • Emerson Electric Co.
    • Harold R. Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...