Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40897 | Constant current line circuit with class features | — | 2009-09-01 |
| 6865271 | Constant current line circuit with class features | — | 2005-03-08 |
| 5889858 | Standby high voltage analog line feed | Edward Peter Gancarcik | 1999-03-30 |