Membership
Tour
Register
Log in
Emmanuel L. Komasinski
Follow
Person
Michigan City, IN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Hopper door operating mechanism
Patent number
4,741,274
Issue date
May 3, 1988
Trinity Industries
Ray L. Ferris
B61 - RAILWAYS