Louis Gruaz
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Louis Gruaz (born ?) was an aero inventor. Genève (Suisse)/Paris (54, rue de la Calandre, Seine)
Patents whose inventor or applicant is Louis Gruaz
- Patent FR-1842-9664 (English title: aerostatic machine that can at will cross atmospheric currents, using said force as a force of propulsion, Filing date: 1841-11-13)
References
http://bases-brevets19e.inpi.fr/index.asp?page=rechercheAvancee