Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676914 | Microprocessor based pump controller for backwashable filter | Donald E. Mills | 1987-06-30 |
| 4505643 | Liquid pump control | Donald E. Millis | 1985-03-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676914 | Microprocessor based pump controller for backwashable filter | Donald E. Mills | 1987-06-30 |
| 4505643 | Liquid pump control | Donald E. Millis | 1985-03-19 |