Patents by Inventor Daniel A. Risner

Daniel A. Risner 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).

  • Can scraper
    Patent number: D318989
    Type: Grant
    Filed: March 1, 1989
    Date of Patent: August 13, 1991
    Inventor: Daniel A. Risner