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Assignee: Penta, Inc.

Location: Baltimore, MD
No. of patents: 1

Number	Title	Issue Date
4458315	Apparatus and method for preventing unauthorized use of computer programs An apparatus and method for detecting and preventing the unauthorized use of computer programs. The program to be protected is arranged to store first key information and a key means which is physically separate from the program is provided to the custome...	07/03/1984