Membership
Tour
Register
Log in
Paul G. Kahmann
Follow
Person
Naperville, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Chalk snap string device having improved brake means
Patent number
4,765,557
Issue date
Aug 23, 1988
Paul G. Kahmann
B44 - DECORATIVE ARTS