Chu; Qingsong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chu; Qingsong.The latest application filed is for "led power supply".
- Chu; Qingsong - Guangdong CN
- Chu; Qingsong - Jinlan Town CN
- Chu; Qingsong - Shenzhen CN
- CHU; Qingsong - Shenzhen City CN
- Chu; Qingsong - Hunan CN
- Chu; Qingsong - Henyang County CN
| Patent | Date |
|---|---|
| Lampholder for discharge lamp Grant D860,513 - Yang , et al. Sept | 2019-09-17 |
| LED power supply Grant 10,378,743 - Yang , et al. A | 2019-08-13 |
| Led Power Supply App 20180328577 - YANG; Xiong ; et al. | 2018-11-15 |
| LED driving structure Grant 9,803,842 - Yang , et al. October 31, 2 | 2017-10-31 |
| Led Driving Structure App 20170114991 - YANG; Xiong ; et al. | 2017-04-27 |
| Heat dissipation device for electronic ballast Grant 9,258,924 - Wu , et al. February 9, 2 | 2016-02-09 |
| Heat dissipation device for electronic ballast App 20150049436 - Wu; Wei ; et al. | 2015-02-19 |
| Electronic ballast Grant D716,730 - Liu , et al. November 4, 2 | 2014-11-04 |
| Electronic ballast Grant D709,448 - Zhang , et al. July 22, 2 | 2014-07-22 |
| Remote control Grant D708,590 - Zhang , et al. July 8, 2 | 2014-07-08 |
| Ballast Grant D700,141 - Zhang , et al. February 25, 2 | 2014-02-25 |
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.
| 