Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947320 | Method for referential constraint enforcement in a database management system | Richard A. Crus, Robert W. Engles, Donald J. Haderle | 1990-08-07 |
| 4716528 | Method for managing lock escalation in a multiprocessing, multiprogramming environment | Richard A. Crus, Donald J. Haderle | 1987-12-29 |