Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846603 | Set-up/down plural-span weir assembly made of flexible sheets | Yoshiomi Tsuji, Ichiro Maruyama, Kenji Mori | 1989-07-11 |
SN
Souji Nishikawa
Overall (1989): #56,086 of 140,708Top 40%
1
Patents 1989