Hu; Yongguang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hu; Yongguang.The latest application filed is for "fixed support for frost prevention machine with side extending plate at bottom".
- Hu; Yongguang - Jiangsu CN
| Patent | Date |
|---|---|
| Column fixing device for frost prevention machine and installation method thereof Grant 10,641,001 - Dong , et al. | 2020-05-05 |
| Fixed Support For Frost Prevention Machine With Side Extending Plate At Bottom App 20190186678 - DONG; Lili ; et al. | 2019-06-20 |
| Column Fixing Device For Frost Prevention Machine App 20190145121 - DONG; Lili ; et al. | 2019-05-16 |
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