Patents by Inventor Charles G. Chavana

Charles G. Chavana 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: D259923
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: July 21, 1981
    Inventor: Charles G. Chavana