Youchun Yan

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Dongguan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hair drier
- Patent number D1041075
- Issue date Sep 3, 2024
- Gang Li
- D28 - Cosmetic products and toilet articles
Information Patent Grant
Hair dryer
- Patent number D1037557
- Issue date Jul 30, 2024
- Gang Li
- D28 - Cosmetic products and toilet articles
Information Patent Grant
Combined toothbrush and water pick unit
- Patent number D866750
- Issue date Nov 12, 2019
- GUANGDONG ROMAN TECHNOLOGY CO., LTD.
- Youchun Yan
- D24 - Medical and laboratory equipment

Patents Applicationslast 30 patents

Information Patent Application
GUIDE STRUCTURE FOR AIR-SUCTION NOZZLE
- Publication number 20240337270
- Publication date Oct 10, 2024
- Guangdong Roman Technology Co., Ltd.
- Gang Li
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...