Membership
Tour
Register
Log in
Edward Harris
Follow
Person
Pittsburgh, PA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Center link disc valve
Patent number
4,280,681
Issue date
Jul 28, 1981
Koppers Company, Inc.
Edward Harris
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Press disc valve
Patent number
4,073,470
Issue date
Feb 14, 1978
Koppers Company, Inc.
Edward Harris
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...