Patents by Inventor Sandra G. Smith

Sandra G. Smith 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).

  • Safety umbrella
    Patent number: D336981
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: July 6, 1993
    Inventor: Sandra G. Smith