Jung Sik Yoo

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Fitting frame having improved prefabricated rails
- Patent number 11,885,163
- Issue date Jan 30, 2024
- Jung Sik Yoo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
FITTING FRAME HAVING IMPROVED PREFABRICATED RAILS
- Publication number 20220145682
- Publication date May 12, 2022
- Jung Sik YOO
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
SASH FOR WINDOWS AND DOORS WITH ATTACHABLE AND DETACHABLE RAILS
- Publication number 20100115877
- Publication date May 13, 2010
- Jung Sik Yoo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES