Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972289 | Electric motor control and protective assembly for fluid pump operation | — | 1990-11-20 |
| 4885655 | Water pump protector unit | Larry D. Springer | 1989-12-05 |
| 4841404 | Pump and electric motor protector | William Walter Marshall, IV | 1989-06-20 |
| 4420787 | Water pump protector | John L. Tibbits, John W. Sellers | 1983-12-13 |