Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798486 | Ink ribbon cassette having mounting means, slack preventing means and multiple ribbon shifting means | — | 1989-01-17 |
MK
Masanori Kaneko
Overall (1989): #80,757 of 140,708Top 60%
1
Patents 1989