Patents by Inventor Philipp Wilhelm Marx

Philipp Wilhelm Marx 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).

  • Module for the protection of software
    Patent number: 5805802
    Abstract: Module for the protection of software in a computer network comprising a microprocessor for implementing an access control to the software, said microprocessor being connectable via a parallel interface, particularly via a printer interface, with a network server, a programmable storage, being addressable by means of said microprocessor, in which a user limit code Xlimit is stored, and a device for processing said user limit code Xlimit and an actual user number under a processing software, said device being arranged in said module and being addressable by means of said microprocessor.
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: September 8, 1998
    Inventor: Philipp Wilhelm Marx