Patents by Inventor Charles L. Lauhoff

Charles L. Lauhoff 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).

  • Bootjack
    Patent number: D287785
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: January 20, 1987
    Inventor: Charles L. Lauhoff
  • Bootjack
    Patent number: D288030
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: February 3, 1987
    Inventor: Charles L. Lauhoff