Alexandre-Esprit-Julien Dumas

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Alexandre-Esprit-Julien Dumas was an aero inventor, with occupation -- and location --. I am inclined to believe that this is also the patent agent Dumas, but I am reviewing sources. There is also a Xavier Dumas to be considered.

Patents whose inventor or applicant is Alexandre-Esprit-Julien Dumas

Patent FR-1907-375674 (English title: Dirigible, Filing date: 1906-05-19)
Patent FR-1911-430444 (Filing date: 1910-08-10)

References

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Inventors