Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408223 | Device for detecting two levels of a liquid having high and low electrodes of metals of different electrode potentials which are connected by conductors so as to form an electrical primary cell | — | 1995-04-18 |
| 4747751 | Electronic device for the control of a submersible pump | — | 1988-05-31 |
| 4357131 | Detector for controlling the operation of a suction pump | — | 1982-11-02 |
| 4309695 | Electronic alarm circuit | — | 1982-01-05 |