Patents by Inventor Manuel C. Silva

Manuel C. Silva 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).

  • Knife handle
    Patent number: D257686
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: December 23, 1980
    Assignee: Farreld Franklin Guiler
    Inventor: Manuel C. Silva