Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877351 | Apparatus for adjusting a water level of a lock | — | 1989-10-31 |
| 4836713 | Flexible sheet dams | Tateo Muramatsu, Hideaki Saito, Mamoru Takasaki | 1989-06-06 |
YE
Yasushi Enami
Overall (1989): #12,769 of 140,708Top 10%
2
Patents 1989