Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418444 | Automatic battery charge and discharge control system | Bruce Nelson | 1995-05-23 |
| 5357078 | Precision linear variable current control | Leonard S. Smith | 1994-10-18 |
| 5172511 | Fish or bait preservation apparatus and method | Leonard S. Smith | 1992-12-22 |
| 4881873 | Capacitance level sensor for a bilge pump | Leonard S. Smith | 1989-11-21 |
| 4396881 | Means indicating a condition of charge in a battery charger | William P. Weller, John C. West | 1983-08-02 |