Patents by Inventor Joachim G. Dieckhaus

Joachim G. Dieckhaus 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).

  • Pinball flipper
    Patent number: 4199143
    Abstract: An improved flipper bar used with a pinball game apparatus allowing increased challenges for skilled players and increased unpredictability in ball trajectory for unskilled players, comprising a cantilevered arm having a series of undulations on one side and disposed perpendicular to the playing field.
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: April 22, 1980
    Assignee: Bally Manufacturing Corporation
    Inventor: Joachim G. Dieckhaus