Hiellard
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Hiellard was an aero inventor who filed patents from Montmartre (27, chaussée des Martyrs, Seine).
Patents whose inventor or applicant is Hiellard
- Patent FR-1852-13436 (English title: system of aerial navigation, Filing date: 1852-04-15)
- Patent FR-1852-13596 (English title: Aerial navigation not involving steam, Filing date: 1852-05-08)
- Patent FR-1852-14932 (English title: self-propelled "imperial eagle", rising under its own power, following air-ships, Filing date: 1852-11-13)
- Patent FR-1853-14932.1 (English title: self-propelled "imperial eagle", rising under its own power, following air-ships, Supplementary to patent: Patent FR-1852-14932, Filing date: 1853-01-04)
