Michael E. Harwood

Person

  • Palatine, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for making grain bin flooring

    • Patent number 4,736,610
    • Issue date Apr 12, 1988
    • North American Agricultural, Inc.
    • Michael W. Carroll
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for forming an arcuate sheet metal seam

    • Patent number 4,692,980
    • Issue date Sep 15, 1987
    • North American Agricultural, Inc.
    • Michael W. Carroll
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Roof vent and method of making same

    • Patent number 4,625,630
    • Issue date Dec 2, 1986
    • North American Agricultural, Inc.
    • Michael W. Carroll
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Grain bin floor and method of making same

    • Patent number 4,619,085
    • Issue date Oct 28, 1986
    • North American Agricultural, Inc.
    • Michael W. Carroll
    • E04 - BUILDING
  • Information Patent Grant

    Method and apparatus for making grain bin flooring

    • Patent number 4,598,569
    • Issue date Jul 8, 1986
    • North American Agricultural, Inc.
    • Michael W. Carroll
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Grain bin flooring

    • Patent number 4,562,678
    • Issue date Jan 7, 1986
    • North American Agricultural, Inc.
    • Michael W. Carroll
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL