Membership
Tour
Register
Log in
Bright Qi
Follow
Person
Plano, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Spherical surface inspection system
Patent number
6,498,643
Issue date
Dec 24, 2002
Ball Semiconductor, Inc.
Wenhui Mei
G01 - MEASURING TESTING