Membership
Tour
Register
Log in
Donald P. Johnson
Follow
Person
Winchester, VA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Visible brake block wear indicator
Patent number
5,139,114
Issue date
Aug 18, 1992
Abex Corporation
Roger C. Rodriguez
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...