Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435493 | Porous reusable ZnO electrophotographic element | Jan A. de Putter | 1984-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4435493 | Porous reusable ZnO electrophotographic element | Jan A. de Putter | 1984-03-06 |