Issued Patents All Time
Showing 1–4 of 4 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 |
| 4216282 | AC corona to remove background from the imaging member of a magnetic copier | Donald W. Edwards, Emery J. Gorondy | 1980-08-05 |
| 4191961 | Magnetic printing process and apparatus | Donald W. Edwards, Emery J. Gorondy | 1980-03-04 |