Patents by Inventor Oscar R. Valdes

Oscar R. Valdes 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: D305197
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: December 26, 1989
    Inventor: Oscar R. Valdes