Patents by Inventor Roger D. McIntosh

Roger D. McIntosh 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: D320801
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: October 15, 1991
    Assignee: American Eco-Tech Corporation
    Inventor: Roger D. McIntosh