Patents by Inventor Carlton F. Calvin

Carlton F. Calvin 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: D382919
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: August 26, 1997
    Inventor: Carlton F. Calvin