Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7859368 | Circuit interrupting device with automatic components detection function | Huadao Huang | 2010-12-28 |
| 7538993 | Receptacle circuit interrupting devices providing an end of life test controlled by test button | Huadao Huang | 2009-05-26 |
| 7411766 | Circuit interrupting device with end of life testing functions | Huadao Huang | 2008-08-12 |
| 7295415 | Circuits for circuit interrupting devices having automatic end of life testing function | Huadao Huang | 2007-11-13 |