Patents by Inventor Gottfried Krummacher

Gottfried Krummacher 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: 4014554
    Abstract: An instructional game for learning the interrelations in a free-market economy on the basis of a game with dice and a board with playing spaces on its border for playing pieces is disclosed. The individual spaces are provided with different markings. A center market area for the deposit of counters is provided in the interior of the board which is enclosed by the playing spaces, the center area being subdivided into a plurality of subsidiary areas each of which has assigned to it a monetary value. One or more packs of cards is provided each consisting of a plurality of play variation cards, the marking on the backs of the cards being uniform in the pack. A proportion of the playing spaces carries reference markings which correspond with the marking used for the market area and a further proportion of the playing spaces carries reference markings respectively corresponding in each case to the marking on the backs of one pack of cards.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: March 29, 1977
    Inventor: Gottfried Krummacher