Patents by Inventor Robert A Bart

Robert A Bart 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: 6866440
    Abstract: A garbage disposal drain stopper in accordance with the invention comprises a stopper body having a top and a bottom. The garbage disposal drain stopper includes a sealing surface carried by the stopper body. The sealing surface is configured to engage a garbage disposal drain and to provide a substantially water tight seal with the garbage disposal drain. A first grip is carried on the stopper body top. A second grip is carried on the stopper body bottom. The first and second grips and the stopper body are configured to be substantially symmetrical in configuration such that the garbage disposal drain stopper is removable from a drain with substantially equal effort whether the first or the second grip is utilized. At least one of the grips includes a chamber from which a consumable may be dispensed.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: March 15, 2005
    Inventor: Robert A Bart
  • Publication number: 20020083515
    Abstract: A drain stopper for use in closing a drain opening in a receptacle such as, but not limited to, a sink or a tub. The drain stopper has a central region for frictionally engaging the conduit defining the opening. The central region having a first surface and an opposing surface, each of the surfaces having respective protrusions allowing for removal thereof. The double-sided drain stopper allowing for removal of the stopper even if it becomes inverted.
    Type: Application
    Filed: December 27, 2001
    Publication date: July 4, 2002
    Inventor: Robert A. Bart