Patents by Inventor Donald F. Root

Donald F. Root 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).

  • Water closet exhaust collector
    Patent number: 5560048
    Abstract: An exhaust collector comprising an underside intake secured within the interior of a toilet by a detachable and compressible mounting of the connecting conduit to the sidewall through which it extends to draw discharged odoriferous gases away from the person of the user by means of biased air.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: October 1, 1996
    Inventor: Donald F. Root