Patents by Inventor Bernhard S. Keller

Bernhard S. Keller 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).

  • Publication number: 20100145359
    Abstract: A callus rasp is provided that includes a rasp body and an abrasive surface. The rasp body has a handle portion and a blade portion. The rasp body is formed of a nonporous metal, glass or glazed ceramic and amenable to sterilization. The abrasive surface has particulate grit exposed therefrom and with an adhesive intermediate between the abrasive surface and the blade portion, the abrasive surface selectively secured to the blade portion for use as a callus rasp. The abrasive surface is pre-adhesed with the adhesive and a peelable backing layer over the adhesive together form a foil. The foil and rasp body are sterilized before joinder. This callus rasp is amenable to removal of the abrasive surface and sterilization of the rasp body for reuse with a new sterile abrasive surface.
    Type: Application
    Filed: March 5, 2009
    Publication date: June 10, 2010
    Inventor: Bernhard S. Keller
  • Patent number: D604459
    Type: Grant
    Filed: February 2, 2009
    Date of Patent: November 17, 2009
    Assignee: Simon Keller AG
    Inventor: Bernhard S. Keller