Membership
Tour
Register
Log in
Tian Zhang
Follow
Person
Scarborough, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Nested sector gears
Patent number
7,096,754
Issue date
Aug 29, 2006
Intier Automotive Closures, Inc.
Tian Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...