Ma; Ningfang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ma; Ningfang.The latest application filed is for "refrigeration system and refrigerated storage".
- Ma; Ningfang - Zhuhai Guangdong
- Ma; Ningfang - Guangdong CN
| Patent | Date |
|---|---|
| Refrigeration System and Refrigerated Storage App 20220275976 - Zhang; Zhiping ; et al. | 2022-09-01 |
| Liquid storage container Grant 10,683,966 - Xiao , et al. | 2020-06-16 |
| Liquid Storage Container App 20180156386 - Xiao; Fujia ; et al. | 2018-06-07 |
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