Patents by Inventor Ruth A Silas

Ruth A Silas 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).

  • Catching device
    Patent number: D645216
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: September 13, 2011
    Inventor: Ruth A Silas