Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873553 | Variable pressure controls of fixing device in electrophotographic copying machine | — | 1989-10-10 |
MI
Masakatsu Inaba
Overall (1989): #81,018 of 140,708Top 60%
1
Patents 1989