Hak-Young Keum

Follow

Person

Joongwon-Ku, Sungnam, Kyunggi Province, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic expanding and retracting device for belt buckle
- Patent number 4,996,751
- Issue date Mar 5, 1991
- Hak-Young Keum
- A44 - HABERDASHERY JEWELLERY