Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D265566 | Ribbon cartridge | Cornelius W. Christie | 1982-07-27 |
| D265567 | Ribbon cartridge | Cornelius W. Christie | 1982-07-27 |
| 4337001 | Releasable ribbon locking device in a ribbon cartridge | — | 1982-06-29 |