TREA

John C. McGregor Jr.

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  • Springfield, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bulk bagging machine
    • Patent number 6,112,504
    • Issue date Sep 5, 2000
    • Slidell, Inc.
    • James R. McGregor
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method and apparatus for single step formation of spherical retainer
    • Patent number 4,674,314
    • Issue date Jun 23, 1987
    • John C. McGregor
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for single step formation of spherical retainer
    • Patent number 4,604,886
    • Issue date Aug 12, 1986
    • John C. McGregor
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Retainer and bearing assembly
    • Patent number 4,428,688
    • Issue date Jan 31, 1984
    • Pentaflex, Inc.
    • John C. McGregor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sprocket
    • Patent number D246097
    • Issue date Oct 18, 1977
    • John C. McGregor
    • D12 - Transportation
  • Information Patent Grant

    Sprocket structure and chain guard
    • Patent number 4,044,621
    • Issue date Aug 30, 1977
    • John C. McGregor
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...