Patents by Inventor Roger D. Shaffer

Roger D. Shaffer 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: 6679372
    Abstract: A quarter displaying and teaching device for displaying commemorative Unites States quarters that depict the seals of the individual states. The quarter displaying and teaching device includes a panel having a front side and a peripheral edge. A plurality of indentations extends into the front side. Each of the indentations has a circular shape and has a diameter equal to a diameter of a quarter and adapted for removable receiving one of a plurality of quarters. The quarters are frictionally held in their respective indentations. A flag indicia is positioned on the front side. The flag indicia comprises a United States flag having fifty stars thereon. Each of the stars has one of the indentations therein.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: January 20, 2004
    Inventor: Roger D. Shaffer