Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6202063 | Methods and apparatus for generating and using safe constraint queries | Michael Benedikt | 2001-03-13 |
| 5628012 | Method and apparatus for querying a database containing disjunctive information | — | 1997-05-06 |
| 5535385 | Dealing with side effects of transactions in data base systems using a multi-set algebra | Timothy G. Griffin | 1996-07-09 |