Patents by Inventor Robert J. Rubin

Robert J. Rubin 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).

  • Systems and methods for protecting software from unlicensed copying and use
    Patent number: 5530752
    Abstract: Disclosed are systems and methods for protecting a software program from unauthorized use and copying through the removal at least one of a plurality of instructions comprising a software program, and encrypting the removed instruction utilizing an encryption algorithm to produce an encrypted instruction, the encryption algorithm responsive to a randomly generated key.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: June 25, 1996
    Assignee: Convex Computer Corporation
    Inventor: Robert J. Rubin