Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867767 | Condensate separating and discharging device with a specially dimensioned trap section | — | 1989-09-19 |
| 4809736 | Piston structure for pressure reducing valve | Tadashi Oike | 1989-03-07 |