Patents by Inventor Robert C. LeBeau

Robert C. LeBeau 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).

  • Optical sharpness meter
    Publication number: 20040207857
    Abstract: An optical sharpness meter for measuring and quantifying the degree of sharpness at points along a blade by directing a light at the sharpened edge and measuring the intensity of the reflected light which varies with the sharpness.
    Type: Application
    Filed: April 16, 2003
    Publication date: October 21, 2004
    Inventor: Robert C. Lebeau
  • Knife sharpener
    Patent number: D318782
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: August 6, 1991
    Inventor: Robert C. LeBeau