Patents by Inventor Michael Barrowman

Michael Barrowman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • DUCT ASSEMBLY TOOL
    Publication number: 20070124867
    Abstract: A combination tool for the assembly of sheet metal ductwork. The tool provides a cleat engaging aperture for closing the gap between adjoining ductwork. The tool also includes a jaw for engaging the edges of sheet metal pieces for creating a fold and for creating a continuous seam. The tool also includes a measurement ruler, scribe holes and leveling bubbles for the assembly of ductwork.
    Type: Application
    Filed: December 6, 2005
    Publication date: June 7, 2007
    Inventors: Anthony Woods, Michael Barrowman
  • MULTIPLE BIT TOOL SYSTEM
    Publication number: 20060191383
    Abstract: The present invention relates to tools and in particular to a new and improved magnetic hexagonal nut driver used to drive the fastener heads of either screws or bolts.
    Type: Application
    Filed: November 1, 2005
    Publication date: August 31, 2006
    Inventors: Anthony Woods, Michael Barrowman