Wong; Sam Yun Sum
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wong; Sam Yun Sum.The latest application filed is for "electrical switch".
- Wong; Sam Yun Sum - Hong Kong N/A CN
- Wong; Sam Yun Sum - New Territories CN
- Wong; Sam Yun Sum - Kowloon HK
- Wong; Sam Yun Sum - Tsuen Wan New Territories HK
- Wong; Sam Yun Sum - Kowloon Tong HK
- Wong; Sam Yun Sum - Sai Kung N.T. HK
- Wong, Sam Yun Sum - Sai Kung HK
| Patent | Date |
|---|---|
| Electrical switch Grant 8,362,378 - Wong , et al. January 29, 2 | 2013-01-29 |
| Electrical switch with casing and holder mountable on the casing Grant 8,222,551 - Wong , et al. July 17, 2 | 2012-07-17 |
| Electrical Switch App 20110315531 - Wong; Memie Mei Mei ; et al. | 2011-12-29 |
| Electrical Switch App 20110284350 - Wong; Memie Mei Mei ; et al. | 2011-11-24 |
| Protection circuit for limiting operating power of electrical device and method thereof Grant 7,957,112 - Wong , et al. June 7, 2 | 2011-06-07 |
| Electrical switch and fixed contact therefor Grant 7,777,147 - Wong , et al. August 17, 2 | 2010-08-17 |
| Protection Circuit For Limiting Operating Power Of Electrical Device And Method Thereof App 20090316318 - Wong; Memie Mei Mei ; et al. | 2009-12-24 |
| Electrical cable connector Grant 7,635,279 - Wong , et al. December 22, 2 | 2009-12-22 |
| Electrical cable connector Grant D605,599 - Wong , et al. December 8, 2 | 2009-12-08 |
| Electrical rotary switch Grant 7,462,797 - Wong , et al. December 9, 2 | 2008-12-09 |
| Electrical rotary switch App 20070235314 - Wong; Memie Mei Mei ; et al. | 2007-10-11 |
| Electrical switch and fixed contact therefor App 20070175742 - Wong; Memie Mei Mei ; et al. | 2007-08-02 |
| Electrical cable connector Grant 7,063,556 - Wong , et al. June 20, 2 | 2006-06-20 |
| Electrical Cable Connector App 20060128205 - Wong; Memie Mei Mei ; et al. | 2006-06-15 |
| Electrical switch Grant D511,752 - Wong , et al. November 22, 2 | 2005-11-22 |
| Electrical switch Grant 6,825,430 - Wong , et al. November 30, 2 | 2004-11-30 |
| Electrical Switch App 20040200713 - Wong, Memie Mei Mei ; et al. | 2004-10-14 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 