Patents by Inventor Klaus Bohnet

Klaus Bohnet 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).

  • Magnetic tape cassette box
    Patent number: 4828341
    Abstract: A magnetic tape cassette box with an indicator device which shows whether or not the box contains a cassette. The indication is provided visibly and/or palpably in that region of the box which is always accessible for the insertion or removal of a cassette.
    Type: Grant
    Filed: November 18, 1987
    Date of Patent: May 9, 1989
    Assignee: IDN Inventions and Development of Novelties AG
    Inventors: Klaus Bohnet, Peter Ackeret
  • Magnetic tape cassette box
    Patent number: 4743077
    Abstract: A magnetic tape cassette box with an indicator device which shows whether or not the box contains a cassette. The indication is provided visibly and/or palpably in that region of the box which is always accessible for the insertion or removal of a cassette.
    Type: Grant
    Filed: November 20, 1986
    Date of Patent: May 10, 1988
    Assignee: IDN Inventions and Development of Novelties AG
    Inventors: Klaus Bohnet, Peter Ackeret
  • Magnetic tape cassette box
    Patent number: 4717213
    Abstract: A magnetic tape cassette box with an indicator device which shows whether or not the box contains a cassette. The indication is provided visibly and/or palpably in that region of the box which is always accessible for the insertion or removal of a cassette.
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: January 5, 1988
    Assignee: IDN Inventions and Development of Novelties AG
    Inventors: Klaus Bohnet, Peter Ackeret
  • Magnetic tape cassette box
    Patent number: 4592600
    Abstract: A magnetic tape cassette box with an indicator device which shows whether or not the box contains a cassette. The indication is provided visibly and/or palpably in that region of the box which is always accessible for the insertion or removal of a cassette.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: June 3, 1986
    Inventors: Klaus Bohnet, Peter Ackeret