Patents by Inventor John C Cantrell

John C Cantrell 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).

  • Recycling system
    Patent number: D605822
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: December 8, 2009
    Assignee: Hok
    Inventors: John C Cantrell, David L. Rush
  • Recycling system
    Patent number: D606272
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: December 15, 2009
    Assignee: Hok
    Inventors: John C Cantrell, David L. Rush