Patents by Inventor Karl Dennison Frank, legal representative

Karl Dennison Frank, legal representative 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).

  • Grip tip
    Patent number: 7681849
    Abstract: A spiral-wound tip is presented for use on a walking assistance device, a robotic arm or digit, or other device needing a slip-resistant point of contact with its environment. The tip is constructed by winding a sheet of rubber or other elastic material into a spiral plug. The plug can be mounted within a hole at the extremity of a device. Alternatively, the sheet can be wrapped around the exterior of the extremity. The lamina of the spiral-wound plug separate upon impact with an object, increasing the gripping power of the tip.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: March 23, 2010
    Inventors: Karl Frederick Frank, Karl Dennison Frank, legal representative
  • Grip tip
    Patent number: 7159830
    Abstract: A spiral-wound tip is presented for use on a walking assistance device, a robotic arm or digit, or other device needing a slip-resistant point of contact with its environment. The tip is constructed by winding a sheet of rubber or other elastic material into a spiral plug. The plug can be mounted within a hole at the extremity of a device. Alternatively, the sheet can be wrapped around the exterior of the extremity. The lamina of the spiral-wound plug separate upon impact with an object, increasing the gripping power of the tip.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: January 9, 2007
    Inventors: Karl Dennison Frank, legal representative, Karl Frederick Frank, deceased