Membership
Tour
Register
Log in
John Demmer
Follow
Person
Kingsley, PA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Heat exchange assembly for swimming pool
Patent number
4,406,278
Issue date
Sep 27, 1983
John Demmer
F24 - HEATING RANGES VENTILATING