Patents by Inventor Reinhard Bierwas

Reinhard Bierwas 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).

  • Cassette container
    Patent number: 3946865
    Abstract: Container suitable for accommodating a tape cassette.
    Type: Grant
    Filed: January 24, 1975
    Date of Patent: March 30, 1976
    Inventor: Reinhard Bierwas