Membership
Tour
Register
Log in
Jean-Luc Derrien
Follow
Person
Pordic, FR
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Pipe couplings
Patent number
5,016,922
Issue date
May 21, 1991
Chaffoteaux et Maury
Joseph Le Mer
F24 - HEATING RANGES VENTILATING