Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885220 | Amorphous silicon carbide electroreceptors | Frank Jansen, Steven J. Grammatica | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885220 | Amorphous silicon carbide electroreceptors | Frank Jansen, Steven J. Grammatica | 1989-12-05 |