Issued Patents 1982
Showing 1–3 of 3 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 |