Patents by Inventor James Gwinn

James Gwinn 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).

  • Patent number: 7156571
    Abstract: A combination pen, pencil and circular marking implement that can be utilized as a pen or pencil writing tool and for circular ink marking on printed surfaces for word game and puzzle solution includes a central passageway for accommodating ink cartridges or lead pencil cartridges encompassed by an ink reservoir that communicates with a cylindrical marking die for circling numbers and letters, and the marking die capable of advancement or retraction by rotation of a tool gripping collar attached to the body of the combination writing and marking implement whereupon rotation of the tool gripping collar engages internal cams for actuating the advancement and retraction of the marking die so that either the pen/pencil writing function or the circular ink marking function can be selected for use.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: January 2, 2007
    Inventors: Josephine A. Mook, James Gwinn
  • Publication number: 20060153626
    Abstract: A combination pen, pencil and circular marking implement that can be utilized as a pen or pencil writing tool and for circular ink marking on printed surfaces for word game and puzzle solution includes a central passageway for accommodating ink cartridges or lead pencil cartridges encompassed by an ink reservoir that communicates with a cylindrical marking die for circling numbers and letters, and the marking die capable of advancement or retraction by rotation of a tool gripping collar attached to the body of the combination writing and marking implement whereupon rotation of the tool gripping collar engages internal cams for actuating the advancement and retraction of the marking die so that either the pen/pencil writing function or the circular ink marking function can be selected for use.
    Type: Application
    Filed: January 13, 2005
    Publication date: July 13, 2006
    Inventors: Josephine Mook, James Gwinn