Youb KIM

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Patents Grantslast 30 patents

Information Patent Grant
Dual twist structure, object ejecting device including the same, an...
- Patent number 11,752,797
- Issue date Sep 12, 2023
- Youb Kim
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
DUAL TWIST STRUCTURE, OBJECT EJECTING DEVICE INCLUDING THE SAME, AN...
- Publication number 20220227163
- Publication date Jul 21, 2022
- Youb KIM
- H01 - BASIC ELECTRIC ELEMENTS