Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013399 | Power supply apparatus to detect power failure and use signaling voltages to issue network alert | John R. Sisler | 2006-03-14 |
| 6581163 | Mains loss detection apparatus and method | John R. Sisler | 2003-06-17 |
| 5952741 | External A/C adapter protecting user against hazardous voltage | — | 1999-09-14 |
| 5834958 | Power on system | Mark Taylor | 1998-11-10 |
| 5430365 | Power regulation for redundant battery supplies | Mark Taylor | 1995-07-04 |
| 4338658 | Master-slave high current D.C. power supply | — | 1982-07-06 |