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Patents > Tech fields : balloon or frame & National tech categories: FR 6.3

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Comte Antoine Apraxine (4) · Guégnot (3) · Janko Klopčić (3) · F. Gueydan de Roussel (3) · Otokar de Bradsky-Laboun (2) · Juppont (2) · Jules Cezar Ribeiro de Souza (2) · Joseph Monpelas de Dax (2) · de Préneuf (2) · Adrien Baudin (2) · Bel (2)
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None (17) · Comte Antoine Apraxine (4) · F. Gueydan de Roussel (3) · Adrien Baudin (2) · Bel (2) · Otokar de Bradsky-Laboun (2) · de Préneuf (2) · Janko Klopčić (2) · Guégnot (2) · Juppont (2)
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