Patents by Inventor Bryan Alvey

Bryan Alvey 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).

  • Direct manipulation interface for Boolean information retrieval
    Patent number: 5175814
    Abstract: A method and apparatus that translates a natural language query into a Boolean expression to be used to search a database. The Boolean expression is displayed on a screen so that the user can alter the Boolean expression using a mouse or similar input device and re-execute the search. The manipulations performed by the user include moving terms of the query, changing the order in which query terms are evaluated, adding terms, deleting terms, and selecting alternate versions of terms.
    Type: Grant
    Filed: January 30, 1990
    Date of Patent: December 29, 1992
    Assignee: Digital Equipment Corporation
    Inventors: Peter G. Anick, Jeffrey D. Brennan, Rex A. Flynn, Bryan Alvey, David R. Hanssen, Jeffrey M. Robbins