CHEN; Haihua
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHEN; Haihua.The latest application filed is for "method for extracting gymnadenia conopsea and related gymnadenia conopsea extract".
- CHEN; Haihua - Shanghai CN
- Chen; Haihua - Shenzhen CN
| Patent | Date |
|---|---|
| Method For Extracting Gymnadenia Conopsea And Related Gymnadenia Conopsea Extract App 20220160811 - LIU; Xing ; et al. | 2022-05-26 |
| Upright floor stand for guitar Grant 10,089,969 - Chen October 2, 2 | 2018-10-02 |
| Force adjustable spring-clamp capo Grant 9,754,563 - Chen September 5, 2 | 2017-09-05 |
| Foldable floor stand for guitar Grant 9,741,325 - Chen August 22, 2 | 2017-08-22 |
| Foldable Floor Stand For Guitar App 20170124995 - CHEN; HAIHUA | 2017-05-04 |
| Guitar hanger apparatus Grant 9,607,592 - Chen March 28, 2 | 2017-03-28 |
| Guitar Hanger Apparatus App 20160335994 - CHEN; HAIHUA | 2016-11-17 |
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