Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361109 | Developer crossmixing apparatus | Donald F. Pfeuffer | 1982-11-30 |
| D266935 | Housing for electronic game | Robert M. Del Principe | 1982-11-16 |
| 4331756 | Developer compositions with toner, coated carrier and lubricant | Arthur S. Diamond, Paul Chang | 1982-05-25 |