changho Lee

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Air stertilization lamp device
- Patent number 11,291,742
- Issue date Apr 5, 2022
- S.M.DOCTOR CO., LTD
- Changho Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
AIR STERILIZATION LAMP DEVICE
- Publication number 20220088258
- Publication date Mar 24, 2022
- S.M.Doctor Co.,Ltd
- changho Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE