Membership
Tour
Register
Log in
Mei-Shu Lan
Follow
Person
Taichung, TW
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Piston-tpye door closer with adjustable closing speeds
Patent number
5,657,511
Issue date
Aug 19, 1997
Mei Shu Lan
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Piston-type door closer with adjustable closing speeds
Patent number
5,477,589
Issue date
Dec 26, 1995
Mei-Shu Lan
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES