Li; Yuanfeng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Li; Yuanfeng.The latest application filed is for "network access card switching method and electronic device".
- Li; Yuanfeng - Shanghai CN
- Li; Yuanfeng - Harbin CN
- LI; Yuanfeng - Beijing CN
- Li; Yuanfeng - Dongyang CN
Trademarks
| Patent | Date |
|---|---|
| Network Access Card Switching Method and Electronic Device App 20220191682 - Li; Yuanfeng ; et al. | 2022-06-16 |
| Device and method for remedying heavy-metal-polluted soil with microorganism Grant 11,207,719 - Wei , et al. December 28, 2 | 2021-12-28 |
| Controller For Driverless Vehicle, And Driverless Vehicle App 20200207374 - LI; Yuanfeng | 2020-07-02 |
| Opposite arc isolation device of high voltage direct current relay Grant 10,453,628 - Guo , et al. Oc | 2019-10-22 |
| Opposite Arc Isolation Device Of High Voltage Direct Current Relay App 20180358188 - GUO; XIAOBIN ; et al. | 2018-12-13 |
| Device And Method For Remedying Heavy-metal-polluted Soil With Microorganism App 20180229282 - Wei; Zimin ; et al. | 2018-08-16 |
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.
| 