DU; Weihua
Patent Applications and Registrations
Patent applications and USPTO patent grants for DU; Weihua.The latest application filed is for "control method and system for display switching, electronic device and storage medium".
- DU; Weihua - Beijing CN
- Du; Weihua - Ningbo CN
- DU; Weihua - Xiamen CN
| Patent | Date |
|---|---|
| Control Method And System For Display Switching, Electronic Device And Storage Medium App 20220130320 - HAN; Peng ; et al. | 2022-04-28 |
| Pet training toy Grant D890,450 - Du | 2020-07-14 |
| Nitride Light Emitting Diode App 20170148948 - ZHENG; Jinjian ; et al. | 2017-05-25 |
| Light Emitting Diodes and Fabrication Method App 20170141261 - ZHENG; Jinjian ; et al. | 2017-05-18 |
| Nitride underlayer and fabrication method thereof Grant 9,559,261 - Zhang , et al. January 31, 2 | 2017-01-31 |
| Nitride Underlayer and Fabrication Method Thereof App 20150280069 - ZHANG; DONGYAN ; et al. | 2015-10-01 |
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.
| 