Patents by Inventor Brigit Topf

Brigit Topf 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).

  • Unique identifier, method for providing the unique identifier and use of the unique identifier
    Patent number: 8578162
    Abstract: A unique identifier which substantially prevents product counterfeiting, wherein the unique identifier can be produced in a very cost-effective manner. The unique identifier is suitable not only for use as a product identifier but also for authorization, for example for securing physical or electronic accesses, such as doors, computer programs or the like.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: November 5, 2013
    Inventors: Rolf Jentzsch, Dietmar Feustel, Brigit Topf