Membership
Tour
Register
Log in
Walter J. Drone
Follow
Person
Wheatfield, IN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Bar for connecting railway track rails and method of making same
Patent number
4,922,743
Issue date
May 8, 1990
Track-Work Products, Inc.
Norman W. Hillegass
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES