Donguk Lee

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Seoul, KR

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Patents Applicationslast 30 patents

Information Patent Application
MODULE FOR STAIRCASE AND STAIRCASE SYSTEM INCLUDING SAME
- Publication number 20250146290
- Publication date May 8, 2025
- Hyundai Motor Company
- Donguk Lee
- E04 - BUILDING
Information Patent Application
DUPLEX ELEVATOR
- Publication number 20240109755
- Publication date Apr 4, 2024
- Hyundai Motor Company
- Donguk Lee
- B66 - HOISTING LIFTING HAULING
Information Patent Application
DUPLEX WINDOW AND WINDOW SYSTEM INCLUDING SAME
- Publication number 20240110435
- Publication date Apr 4, 2024
- Hyudai Motor Company
- Donguk Lee
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS