DAUBENFELD Jean Joseph Gérard

Jean Joseph Gérard DAUBENFELD was probably born around 1920.
In 1952 he resided in Wecker and had an interest in designing elements for building construction.
In 1962 Jean Joseph Gérard resided in Luxembourg-city (12 rue Astrid) and carried the title of “cand. ing.” At that time, he invented improvements for plastic extrusion machines.