Membership
Tour
Register
Log in
Kwoon Kwen Metal Ware Company, Limited
Follow
Organization
Kowloon, HK
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for hygienic collection and disposal of animal waste
Patent number
5,131,704
Issue date
Jul 21, 1992
Kwoon Kwen Metal Ware Company, Limited
Sze-Yee Li
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Combination lock
Patent number
4,420,956
Issue date
Dec 20, 1983
Kwoon Kwen Metal Ware Company Ltd.
Sze Y. Li
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Lock mechanism
Patent number
4,074,549
Issue date
Feb 21, 1978
Kwoon Kwen Metal Ware Company Limited
Li Sze Yee
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Trademark
last 30 trademarks