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Bart R. Obra

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  • St. Clair Shores, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Motion generating mechanism with backlash regulation
    • Patent number 4,805,284
    • Issue date Feb 21, 1989
    • Easom Engineering & Manufacturing Corporation
    • Bart R. Obra
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motion generating mechanism
    • Patent number 4,569,240
    • Issue date Feb 11, 1986
    • Easom Engineering & Manufacturing Corp.
    • Bart R. Obra
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motion generating mechanism
    • Patent number 4,269,076
    • Issue date May 26, 1981
    • Easom Engineering & Manufacturing, Corp.
    • Bart Obra
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motion generating mechanism
    • Patent number 4,089,228
    • Issue date May 16, 1978
    • Easom Engineering & Manufacturing Corporation
    • Bart R. Obra
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Epicycloidal crank drive mechanism
    • Patent number 4,020,708
    • Issue date May 3, 1977
    • Easom Engineering & Manufacturing Corporation
    • Bart R. Obra
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...