Patents by Inventor David G. Wargo

David G. Wargo 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: 5507948
    Abstract: A ring for supporting a coffee filter within a filter basket of a brewing device. The inventive device includes a support ring positionable within a filter basket so as to capture an upper edge of a coffee filter between the ring and the basket. A plurality of vertical stanchions depend from the support ring for engaging a bottom of the basket to support the ring at a desired position therein. An adjustment assembly is provided for varying a diameter of the ring and each stanchion includes frangible notches permitting sizing of the stanchions to a desired height.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: April 16, 1996
    Inventors: David G. Wargo, Susan B. Wargo