Patents by Inventor Daniel E. Sprinski

Daniel E. Sprinski 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: D272574
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: February 7, 1984
    Inventor: Daniel E. Sprinski