Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9147946 | Electrical cable connector | — | 2015-09-29 |
| 8362378 | Electrical switch | Sam Yun Sum Wong | 2013-01-29 |
| 8222551 | Electrical switch with casing and holder mountable on the casing | Sam Yun Sum Wong | 2012-07-17 |
| 7957112 | Protection circuit for limiting operating power of electrical device and method thereof | Sam Yun Sum Wong | 2011-06-07 |
| 7777147 | Electrical switch and fixed contact therefor | Sam Yun Sum Wong | 2010-08-17 |
| 7635279 | Electrical cable connector | Sam Yun Sum Wong | 2009-12-22 |
| D605599 | Electrical cable connector | Sam Yun Sum Wong | 2009-12-08 |
| 7462797 | Electrical rotary switch | Sam Yun Sum Wong | 2008-12-09 |
| 7063556 | Electrical cable connector | Sam Yun Sum Wong | 2006-06-20 |
| D511752 | Electrical switch | Sam Yun Sum Wong | 2005-11-22 |
| 6825430 | Electrical switch | Sam Yun Sum Wong | 2004-11-30 |
| D495666 | Electrical switch | Sam Yun Sum Wong | 2004-09-07 |