CHEN; Yifang
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHEN; Yifang.The latest application filed is for "novel anti-impact device and working method thereof".
- CHEN; Yifang - Qingdao Shandong Province
- Chen; Yifang - Newnan GA
- Chen; Yifang - Ann Arbor MI
- Chen; Yifang - Duluth GA
Trademarks
| Patent | Date |
|---|---|
| Novel Anti-impact Device And Working Method Thereof App 20220204060 - WANG; Chenglong ; et al. | 2022-06-30 |
| Magnetically Controlled Material-based Magnetorheological Pilot Operated Safety Valve For Hydraulic Support, And Applications Of The Same App 20220090697 - WANG; Chenglong ; et al. | 2022-03-24 |
| Isolation mount for shock attenuation Grant 9,909,641 - Chen , et al. March 6, 2 | 2018-03-06 |
| Isolation Mount For Shock Attenuation App 20170299012 - Chen; Yifang ; et al. | 2017-10-19 |
| Venous Access Implantable Port App 20170128709 - Chen; Yifang | 2017-05-11 |
| Handle for implements such as hair curling brushes Grant 6,003,188 - Henry , et al. December 21, 1 | 1999-12-21 |
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