Gratien

Gratien was an aero inventor, Paris (85, rue du Faubourg-du-Temple, Seine).

Patents whose inventor or applicant is Gratien

• Patent FR-1870-90560 (English title: “balloon filling and raising”, means of aerostat gas (re)filling with the aid of the apparatus-”gratien”(?), and giving them ascensional force, Filing date: 1870-06-27)

Publications by or about Gratien

• Rameau, 1881, Le procès de M. Gratien (Simple title: The trial of Mr. Gratien, Journal: L'Aéronaute)

References

Subject-matter Index of Patents for Invention, France, 1791-1876 Inclusive

INPI

http://bases-brevets19e.inpi.fr/Thot/FrmFicheDoc.asp?idfiche=0299620&refFiche=0167773