Patents by Inventor Major Harold Pope

Major Harold Pope 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).

  • Self-sharpening pocket knife
    Patent number: 6643934
    Abstract: A self-sharpening pocket knife is provided that includes a housing having abrasive stone strips or other sharpening means, and additional means for biasing the strips inward so that as the stone wears down there is always enough surface area in contact with the blade to sharpen it. The biasing means may take the form of foam rubber which expands, or multiple coiled springs, with either means being positioned between the walls of the housing and the stone strips.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: November 11, 2003
    Inventor: Major Harold Pope
  • Self-sharpening pocket knife
    Publication number: 20030061714
    Abstract: A self-sharpening pocket knife is provided that includes a housing having abrasive stone strips or other sharpening means, and additional means for biasing the strips inward so that as the stone wears down there is always enough surface area in contact with the blade to sharpen it. The biasing means may take the form of foam rubber which expands, or multiple coiled springs, with either means being positioned between the walls of the housing and the stone strips.
    Type: Application
    Filed: October 1, 2001
    Publication date: April 3, 2003
    Inventor: Major Harold Pope