Patents by Inventor Wilma L. Ruble

Wilma L. Ruble 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: D328176
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: July 21, 1992
    Inventor: Wilma L. Ruble