Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870466 | Cleaning device having fur brush, scavenger roller and scraper for electrostatic recorder | — | 1989-09-26 |
HI
Haruki Iida
Overall (1989): #108,495 of 140,708Top 80%
1
Patents 1989