Membership
Tour
Register
Log in
Paul Ripple
Follow
Person
Prudenville, MI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Stair climber for hand trucks
Patent number
4,420,166
Issue date
Dec 13, 1983
Magline, Inc.
Don C. Law
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS