Gwag Su-Man

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Pucheon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Clip-type friction hinge device
- Patent number 6,775,884
- Issue date Aug 17, 2004
- Gwag Su-Man
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Clip type friction hinge device
- Patent number 6,301,748
- Issue date Oct 16, 2001
- Gwag Su-Man
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Clip-type friction hinge device
- Publication number 20020162192
- Publication date Nov 7, 2002
- Gwag Su-Man
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES