Patents by Inventor Marie S. Collins

Marie S. Collins 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).

  • System for multilevel secure database management using a knowledge base with release-based and other security constraints for query, response and update modification
    Patent number: 5355474
    Abstract: Apparatus for an integrated architecture for an extended multilevel secure database management system. The multilevel secure database management system processes security constraints to control certain unauthorized inferences through logical deduction upon queries by users and is implemented when the database is queried through the database management system, when the database is updated through the database management system, and when the database is designed using a database design tool.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: October 11, 1994
    Inventors: Bhavani M. Thuraisngham, William R. B. Ford, Marie S. Collins, Jonathan P. O'Keeffe