Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4230579 | Brine flow control for membrane separation system | Donald T. Bray | 1980-10-28 |
| 4190537 | Water storage control for reverse osmosis system | Donald T. Bray | 1980-02-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4230579 | Brine flow control for membrane separation system | Donald T. Bray | 1980-10-28 |
| 4190537 | Water storage control for reverse osmosis system | Donald T. Bray | 1980-02-26 |