Membership
Tour
Register
Log in
J. Guy Smith
Follow
Person
Drummondville, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Chimney ventilating cap
Patent number
4,320,697
Issue date
Mar 23, 1982
Venmar, Inc.
J. Guy Smith
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES