Patents by Inventor Marian Spates

Marian Spates 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: D267858
    Type: Grant
    Filed: November 19, 1980
    Date of Patent: February 8, 1983
    Inventor: Marian Spates