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Patents > National tech categories : FR 5 or FR 6.4 or USPC 244/80 & Family year: 1800 - 1899

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Inventors:
Modeste-Abel Latouche (4) · Prosper Meller‎ (4) · l'abbé Jean-Martin Demongeot (4) · Louis-Constant-Célestin Magois (3) · Marc (2) · Eugène-Joseph Varangot (2) · Eugène-Louis-Jules DE FRESNE (2) · Jean-Baptiste Guilbert (2) · Jean-Louis Le Hir (2) · Victor-Armand Prou (2) · Baron de Rovérié de Cabrières (2) · Henri Giffard (2)
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None (72) · l'abbé Jean-Martin Demongeot (4) · Meller (the younger) (4) · Modeste-Abel Latouche (2) · Jean-Louis Le Hir (2) · Jean-Baptiste Guilbert (2) · Baron de Rovérié de Cabrières‎ (2)
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Tech fields:
LTA (59) · navigation (47) · balloon (27) · Aerostat (10) · propulsion (9) · dirigible (7) · airship (6) · steering (6) · dirigibles (6) · Aerial Navigation* (5) · balloons (4) · infrastructure (4) · hybrid (4) · Aerial Navigation (4) · safety (4) · balloon navigation (4) · Propellers (4)
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