Li; Changhui
Patent Applications and Registrations
Patent applications and USPTO patent grants for Li; Changhui.The latest application filed is for "new dry powder inhaler".
- Li; Changhui - Guangdong CN
- Li; Changhui - Lianyungang CN
- LI; Changhui - Lianyungang City CN
- Li; Changhui - Guangzhou CN
| Patent | Date |
|---|---|
| Method for automatic modeling of an architecture based on an architectural drawing Grant 11,288,413 - Xie , et al. March 29, 2 | 2022-03-29 |
| Inhaler Grant D912,800 - Li , et al. March 9, 2 | 2021-03-09 |
| New dry powder inhaler App 20200360631 - LI; Changhui ; et al. | 2020-11-19 |
| Inhaler Grant D888,931 - Li , et al. | 2020-06-30 |
| Method for automatic modeling of complex buildings with high accuracy Grant 10,504,284 - Xie , et al. Dec | 2019-12-10 |
| Method for Automatic Modeling of an Architecture Based on an Architectural Drawing App 20190251209 - Xie; Hongyu ; et al. | 2019-08-15 |
| Method For Automatic Modeling Of Complex Buildings With High Accuracy App 20180025541 - Xie; Hongyu ; et al. | 2018-01-25 |
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