Patents by Inventor Mitchell Ritter

Mitchell Ritter 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).

  • Fan-assisted ashtray
    Patent number: 6523544
    Abstract: A fan-assisted ashtray includes a hollow body having a lid for closing an open top thereof; a tray member for containing ash from a smoker's article; a filter member located below the tray member; and an electric fan located below the filter member for drawing air and smoke into the filter member and for exhausting air to the exterior of the body through a vent. The filter member extends across an entire horizontal sectional area of the body.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: February 25, 2003
    Assignee: Philip Morris Incorporated
    Inventors: Mitchell Ritter, Jacques Berset, Thomas Riedel, Oliver Giles Ferguson