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Patents > Inventor country : NL or None & National tech categories : FR 6.3 or NL 62.9

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Inventors:
Hofmann (3) · Yon (3) · Folacci (3) · de Schuttenbach (3) · None (2) · Boubillon (2) · Sébillot (2) · Phérékyde (2) · Juppont (2) · Haarbleicher (2) · Gros (2) · Frederick William Brearey (2) · Foucher (2) · Ferdinand-Charles-Honoré-Philippe d'Esterno (2) · Clément Ader (2) · Guégnot (2) · Bel (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (93) · Folacci (3) · Bel (2) · Haarbleicher (2) · Sébillot (2) · Juppont (2) · Hofmann (2) · de Schuttenbach (2)
Applicant is inventor:
Tech fields:
navigation (47) · LTA (40) · propulsion (36) · balloon (18) · Dirigible (15) · aerostat (13) · None (13) · Airplane (11) · airship (9) · stability (7) · safety (6) · instrument (6) · infrastructure (5) · construction (4) · electricity (4) · ascension (4) · balloons (4) · ?? (3) · dirigibles (3) · hybrid (3)
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Patent agent:
None (53) · Blétry aîné (11) · Desnos (10) · Armengaud jeune (9) · Dieuaide (8) · Chassevent (7) · Société Marillier et Robelet (6) · Dumas (5) · Nauhardt (4) · Société Louis Gudman et Cie (4) · Armengaud aîné (4) · Fayollet (3) · Société Thirion et Bonnet (3) · Société Matray frères (3) · Bardin (3) · Caron (3)
National tech categories: (Click arrow to add another value)
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Cites these patents:
Citations from after 1930:
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