Liu; Huang Chang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liu; Huang Chang.The latest application filed is for "chair structure".
- Liu; Huang Chang - Changhua County TW
- Liu; Huang Chang - Taipei TW
- Liu, Huang Chang - Chang Hua Hsien TW
| Patent | Date |
|---|---|
| Chair structure Grant 10,292,499 - Liu | 2019-05-21 |
| Chair Structure App 20190142168 - LIU; Huang Chang | 2019-05-16 |
| Chair cushion Grant 8,113,582 - Liu February 14, 2 | 2012-02-14 |
| Chair Cushion App 20090309399 - LIU; Huang Chang | 2009-12-17 |
| Flexible chair back Grant 7,063,384 - Liu June 20, 2 | 2006-06-20 |
| Flexible chair back App 20050151400 - Liu, Huang Chang | 2005-07-14 |
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.
| 