Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869104 | Differential pressure type liquid level meter | Hirokazu Saito, Kozo Takano, Kiyoyuki Ushirokoji | 1989-09-26 |
SI
Shigeo Igarashi
Overall (1989): #57,828 of 140,708Top 45%
1
Patents 1989