Membership
Tour
Register
Log in
Aman Kai Man Chung
Follow
Person
Shatin, HK
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Piezoelectric lighter with increased security
Patent number
7,641,471
Issue date
Jan 5, 2010
Polyconcept Holding
Aman Kai Man Chung
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES