Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359516 | Magnetic resist printing process, composition, and apparatus | Donald G. Pie | 1982-11-16 |
| 4338391 | Magnetic resist printing process, composition and apparatus | Donald George Pye | 1982-07-06 |
| 4323929 | Printing process using lithographic plates made from toned amplitude modulated magnetic images | — | 1982-04-06 |
| 4292120 | Process of forming a magnetic toner resist using a transfer film | — | 1981-09-29 |