Patents Assigned to Revit Technology Corporation
  • Software usage/procurement management
    Patent number: 7278164
    Abstract: A method that includes (1) distributing authorization keys from a subscription server to computers on which copies of an application program are to be run, each of the authorization keys being associated with a validity period during which the authorization key will be valid, and (2) at intermittent times that may be as infrequent as the times when the validity periods end, distributing new authorization keys to each of the computers, the keys being distributed electronically in a manner that is transparent to users of the computers.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: October 2, 2007
    Assignee: Revit Technology Corporation
    Inventors: Leonid Raiz, Irwin Jungreis