Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671281 | Self modifying access code for altering capabilities | Michael J. Chan, Steven F. Hajek, Paul Leonard Wiltgen | 1997-09-23 |
| 5657820 | Two trip window cutting system | Thomas F. Bailey, Joseph V. Hebert | 1997-08-19 |