Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474189 | Apparatus incorporating a splashed-liquid, normally-closed check valve | — | 1984-10-02 |
| RE30427 | Maximum liquid level control valve | — | 1980-11-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474189 | Apparatus incorporating a splashed-liquid, normally-closed check valve | — | 1984-10-02 |
| RE30427 | Maximum liquid level control valve | — | 1980-11-04 |