Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847211 | Apparatus and method for calibrating voltage spike waveforms for three-phase electrical devices and systems | Joseph M Muhitch | 2005-01-25 |
| 6847212 | Apparatus and method for calibrating voltage spike waveforms | Joseph M Muhitch | 2005-01-25 |
| 6566895 | Unbalanced three phase delta power measurement apparatus and method | Peter Estrela | 2003-05-20 |
| 6490143 | Blocking circuit for high voltage spike testing | Peter Estrela | 2002-12-03 |