Patents by Inventor Petra Dunker

Petra Dunker 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).

  • Storage case and a disc holding part for storage cases for round data discs
    Patent number: 5284248
    Abstract: A compact storage case for circular data carriers, comprising a base part, a lid part and a disk holding part. The base part and the lid part are pivotally interconnected along a common edge by a first hinge device. The disk holding part and the base part are pivotally interconnected by a second hinge device arranged on the edge of the base part opposite the first hinge device. The disk holding part has a holder on either side for one circular data carrier per side.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: February 8, 1994
    Assignee: Cartonneries de Thulin, S.A.
    Inventor: Petra Dunker