Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859120 | Pneumatic conveying system | Yukihiro Tsubata | 1989-08-22 |
MS
Masaru Shiino
Overall (1989): #78,850 of 140,708Top 60%
1
Patents 1989