Membership
Tour
Register
Log in
Elvin D. Hediger
Follow
Person
Lemont, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Universal chimney cap
Patent number
6,918,827
Issue date
Jul 19, 2005
Copperfield Chimney Supply, Inc.
Robert Daniels
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Liner adaptor for chimneys
Patent number
6,852,023
Issue date
Feb 8, 2005
Copperfield Chimney Supply, Inc.
Elvin D. Hediger
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Patents Applications
last 30 patents
Information
Patent Application
Liner adaptor for chimney
Publication number
20050229923
Publication date
Oct 20, 2005
Michael Barry
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Universal chimney cap
Publication number
20050048895
Publication date
Mar 3, 2005
Robert Daniels
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Liner adaptor for chimneys
Publication number
20040142652
Publication date
Jul 22, 2004
Elvin D. Hediger
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES