Patents by Inventor Steven Engelhard

Steven Engelhard 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).

  • Method For Detecting Unauthorized Copies Of Digital Security Tokens
    Publication number: 20180332028
    Abstract: A method for operating a digital security token in a data network terminal (12) includes provisioning the digital security token in the data network terminal (12), examining a test characteristic (Pz) with a server (14) based on information about the test characteristic (Pz) and a connection of the test characteristic (Pz) to a user (C) in the context of the use of the digital security token for authenticating the user (C) and/or in the context of a periodic routine examination, and transmitting a new test characteristic (Pz) from the server (14) to the data network terminal (12) only if the examined test characteristic (Pz) is accurate. The new test characteristic (Pz) is necessary for continued operation of the digital security token.
    Type: Application
    Filed: February 6, 2018
    Publication date: November 15, 2018
    Inventors: Harald Lemke, Mike Bobinski, Steven Engelhard