Patents by Inventor Erik D. Koestenblatt

Erik D. Koestenblatt 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).

  • Compact disc case system
    Patent number: 5984115
    Abstract: A compact disc case system that includes at least one case unit provided with two biased support plates for supporting and gripping a number of compact disc cases therebetween. When additional case units are included the case units are interconnectable.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: November 16, 1999
    Inventors: Erik D. Koestenblatt, Ken T. Doan