Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7800873 | Ground fault circuit interruptor (GFCI) device having safe contact end-of-life condition and method of detecting same in a GFCI device | Thomas James Batko, Nelson Bonilla, Daming Yu, John R. Baldwin | 2010-09-21 |
| 7315437 | Self testing ground fault circuit interrupter (GFCI) with end of life (EOL) indicator, secondary power supply for EOL and self test circuitry, and device for opening line hot when EOL occurs | Nelson Bonilla, John R. Baldwin, Robert Fanzutti, Daming Yu, Thomas James Batko | 2008-01-01 |