Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6985900 | Delta model processing logic representation and execution system | Edgar F. Codd | 2006-01-10 |
| 6421667 | Delta model processing logic representation and execution system | Edgar F. Codd | 2002-07-16 |