Patents by Inventor Douglas M. Ringger

Douglas M. Ringger 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).

  • Double dishwasher
    Patent number: 6260565
    Abstract: A dishwasher cabinet has a front wall, a rear wall, and opposite sidewalls. The cabinet has an intermediate wall for forming the cabinet into a first compartment and a second compartment. The front wall has a first opening and a second opening providing access into the first and second compartments respectively. First and second doors are in covering relation over the first and second openings and are movable between open and closed positions.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: July 17, 2001
    Assignee: Maytag Corporation
    Inventors: Rodney M. Welch, Stephen L. Birkenholtz, Douglas M. Ringger, Juda J. Cordle