Sam-Dug YUN

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Overspeed and reverse drive preventing device for escalator
- Patent number 11,891,273
- Issue date Feb 6, 2024
- TAESUNG ESCALATOR CO., LTD.
- Sam-Dug Yun
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
OVERSPEED AND REVERSE DRIVE PREVENTING DEVICE FOR ESCALATOR
- Publication number 20220089412
- Publication date Mar 24, 2022
- TAESUNG ESCALATOR CO.,LTD.
- Sam-Dug YUN
- B66 - HOISTING LIFTING HAULING