Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671281 | Self modifying access code for altering capabilities | John E. Campbell, Steven F. Hajek, Paul Leonard Wiltgen | 1997-09-23 |
| 5553144 | Method and system for selectively altering data processing system functional characteristics without mechanical manipulation | Frank A. Almquist, David F. Anderson, John E. Campbell, Stephen W. Flaherty, Steven F. Hajek +7 more | 1996-09-03 |
| 5365587 | Self modifying access code for altering capabilities | John E. Campbell, Steven F. Hajek, Paul Leonard Wiltgen | 1994-11-15 |