Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5472774 | Photolithography test structure | Derick J. Wristers, James H. Hussey, Jr., Michael A. Hillis, William C. Chapman | 1995-12-05 |
| 5370923 | Photolithography test structure | Derick J. Wristers, James H. Hussey, Jr., Michael A. Hillis, William C. Chapman | 1994-12-06 |