Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681677 | Photoconductive element having a barrier layer | Douglas E. Bugner, Paul D. VanderValk, Marie B. O'Regan | 1997-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681677 | Photoconductive element having a barrier layer | Douglas E. Bugner, Paul D. VanderValk, Marie B. O'Regan | 1997-10-28 |