Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6347043 | Power supply including circuit board with a conductive bracket for electrical ground | Peter Heffernan, Alan Douglas Beck | 2002-02-12 |
| 4694194 | Power supply with battery backup | Allen Hansel, Ermand Centofanti | 1987-09-15 |
| 4276590 | Current sharing modular power system | Allen Hansel | 1981-06-30 |