Patents by Inventor Leonard C. Bajork

Leonard C. Bajork 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).

  • Patent number: D256736
    Type: Grant
    Filed: September 2, 1977
    Date of Patent: September 9, 1980
    Inventor: Leonard C. Bajork
  • Patent number: D321971
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: December 3, 1991
    Inventor: Leonard C. Bajork