Alvaro Da Cunha
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Alvaro Da Cunha was an aero inventor who filed patents from within département Seine, France.
His name seems common in Portuguese or Brazilian history so although there are several hits in a Web search of similar names, it's not been easy to find biographical materials that are definitely about him.
Patents whose inventor or applicant is Alvaro Da Cunha
- Patent FR-1911-429645 (English title: Improvements to aeroplanes, actually an airplane-helicopter hybrid, Filing date: 1911-05-12)
- Patent FR-1912-429645.15915 (English title: Improvements in airplanes, actually an airplane-helicopter hybrid, Supplementary to patent: Patent FR-1911-429645, Filing date: 1912-05-13)
- Patent FR-1912-429645.16915 (English title: 1st certificate of addition to the patent taken, 12 May 1911, for refinements to aeroplanes, Supplementary to patent: FR-1911-429645, Filing date: 1912-05-13)