Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952092 | Watt power device | — | 2005-10-04 |
| 6215203 | Efficiency electrical energy device | — | 2001-04-10 |
| 5637989 | Energy savings apparatus | — | 1997-06-10 |
| 5319300 | Error compensating circuit for power consumption meter | — | 1994-06-07 |
| 4206367 | Energy saving device | George Petruska | 1980-06-03 |