Drilldown: Patents

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Patents > Grant date: 1800 - 1899 & National tech categories: FR 6.3

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None (123) · Comte Antoine Apraxine (5) · Georg Wellner (4) · Guégnot (3) · Gignoux (3) · Gaston Tissandier (3)
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Tech fields:
Navigation (79) · LTA (74) · propulsion (66) · balloon (36) · aerostat (28) · dirigible (24) · airship (20) · None (18) · balloons (17) · Airplane (16) · safety (11) · construction (9) · ascension (9) · infrastructure (8) · dirigibles (8) · electricity (7) · instrument (6)
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Supplementary to patent:
None (255) · Patent FR-1881-142748 (3) · Patent FR-1878-124576 (3) · Patent FR-1890-205155 (2) · Patent FR-1881-143296 (2) · Patent FR-1898-275602 (2) · Patent FR-1897-271948 (2) · Patent FR-1892-225358 (2) · Patent FR-1893-228892 (2)
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Patent agent:
None (124) · Armengaud jeune (19) · Desnos (13) · Blétry aîné (12) · Société Marillier et Robelet (10) · Armengaud aîné (10) · Chassevent (8) · Dieuaide (6) · Société Louis Gudman et Cie (5) · Société Matray frères (5) · Émile Barrault (5) · Thirion (5) · Dumas (4) · Nauhardt (4) · Josse (4) · Casalonga (4)
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