Haw-Yaw Shy

Follow

Person

Taitung, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Door lock with lightly-closing force
- Patent number 5,002,321
- Issue date Mar 26, 1991
- Haw-Yaw Shy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Door-closer hinge with rotary-movement shock absorber
- Patent number 4,756,051
- Issue date Jul 12, 1988
- Haw-Yaw Shy
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES