Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336546 | Magnetic printing apparatus | Donald W. Edwards, Emery J. Gorondy | 1982-06-22 |
| 4329694 | AC Corona to remove background from the transfer member of a thermomagnetic copier | Donald W. Edwards, Emery J. Gorondy | 1982-05-11 |