Patents by Inventor Charles E. Hammers

Charles E. Hammers 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).

  • Display device for coins, medals and medallions
    Patent number: 7237683
    Abstract: The current invention provides an improved display device for displaying coins, medals and medallions. The display device is designed to focus the viewer's attention on the object on display without blocking a substantial portion of the object from the view. Additionally, the current invention provides a display device suitable for displaying a coin, medal or medallion along with a related secondary object. Finally, the current invention provides a device suitable for display a plurality of coins, medals or medallions.
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: July 3, 2007
    Inventor: Charles E. Hammers