Membership
Tour
Register
Log in
Roger L. Greene
Follow
Person
Colorado Springs, CO, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Vertical draft random chiming mechanism
Patent number
6,441,284
Issue date
Aug 27, 2002
Roger L. Greene
G10 - MUSICAL INSTRUMENTS ACOUSTICS