Patents by Inventor Douglas E. Cox

Douglas E. Cox 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).

  • Industrial catalytic converter
    Patent number: D351608
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: October 18, 1994
    Assignee: Miratech Corporation
    Inventor: Douglas E. Cox