Patents by Inventor Louis Van Leeuwen

Louis Van Leeuwen 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).

  • Knife handle
    Patent number: D446689
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: August 21, 2001
    Inventor: Louis Van Leeuwen
  • Double-edged knife blade
    Patent number: D447014
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: August 28, 2001
    Inventor: Louis Van Leeuwen