Li; Qingmei
Patent Applications and Registrations
Patent applications and USPTO patent grants for Li; Qingmei.The latest application filed is for "recycle water treatment system for car wash".
- Li; Qingmei - Guangdong CN
- LI; Qingmei - Beijing CN
Trademarks
| Patent | Date |
|---|---|
| Hairbrush Grant D897,688 - Li October 6, 2 | 2020-10-06 |
| Pencil sharpener Grant D888,152 - Li | 2020-06-23 |
| Recycle Water Treatment System For Car Wash App 20090272681 - LI; Qingmei | 2009-11-05 |
| Low Concentration Sewage Treatment System Combined With Landscape App 20090057215 - Li; Qingmei | 2009-03-05 |
| Treatment System Of Low Concentration Sanitary Sewage App 20090057212 - LI; Qingmei | 2009-03-05 |
| Treatment System Of High Concentration Organic Sewage App 20090061509 - LI; Qingmei | 2009-03-05 |
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