Membership
Tour
Register
Log in
Donald A. Lewis
Follow
Person
London, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Vehicle-mountable push broom
Patent number
5,621,940
Issue date
Apr 22, 1997
Lewis; J. Harry
J. Harry Lewis
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES