Patents by Inventor Joachim Hahn

Joachim Hahn 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).

  • Indicating instrument and casing
    Patent number: 4033191
    Abstract: An indicating instrument, particularly adapted for use with watercraft, with a cup-shaped casing of plastic material. The casing holds a measuring instrument with a dial. The front end of the casing is shut by a window shield and enveloped by a front frame.
    Type: Grant
    Filed: September 11, 1975
    Date of Patent: July 5, 1977
    Assignee: VDO Adolf Schindling AG
    Inventors: Alois Kreuz, Joachim Hahn