Membership
Tour
Register
Log in
Daniel J. Colgan
Follow
Person
Fort Gratiot, MI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Inline skate wheel assembly
Patent number
7,497,445
Issue date
Mar 3, 2009
Daniel J. Colgan
A63 - SPORTS GAMES AMUSEMENTS