Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304755 | Water reservoir for a reverse osmosis system | — | 1989-11-21 |
| 4880534 | Reverse osmosis water purification system with improved pressure relief valve | — | 1989-11-14 |
| 4880535 | Water supply station with multiple water storage reservoirs | — | 1989-11-14 |
| 4853117 | Purified water supply system | — | 1989-08-01 |
| 4834873 | Combined reverse osmosis unit and water inflow control valve for a water purification system | — | 1989-05-30 |
| 4830744 | Reverse osmosis assembly operating valve | — | 1989-05-16 |