Lan WANG

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heterogeneous visual acuity chart and visual acuity testing method...
- Patent number 11,445,905
- Issue date Sep 20, 2022
- Lan Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
HETEROGENEOUS VISUAL ACUITY CHART AND VISUAL ACUITY TESTING METHOD...
- Publication number 20220218194
- Publication date Jul 14, 2022
- Qingdao University
- Lan WANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE