Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345013 | Dual purpose magnetic toner | Sydney N. Floersheim | 1982-08-17 |
| 4331756 | Developer compositions with toner, coated carrier and lubricant | Edward F. Mayer, Paul Chang | 1982-05-25 |