Patents by Inventor John L. Robshaw

John L. Robshaw 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).

  • Mandrel for wound materials
    Patent number: 7731120
    Abstract: A mandrel and the blank from which the mandrel is formed is constructed so as to enable shipment in flat form to a manufacturer of material, e.g., fabric, who, in turn, assembles the mandrel and uses such to wind material thereon to form a fabric bolt. The blank is easily and entirely set up by simple folding procedures.
    Type: Grant
    Filed: January 2, 2008
    Date of Patent: June 8, 2010
    Inventor: John L. Robshaw
  • Support for wound material
    Patent number: D592940
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: May 26, 2009
    Inventor: John L. Robshaw