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Patents > Year filed: 1908 & First filing: None & Citations from after 1930: None

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Inventors:
None (10) · Caspar Braun (5) · Adolphe Clément-Bayard (4) · Louis Blériot (4) · Achille Bertelli (3) · Ottavio Ricaldoni (3) · James Means (2) · Wilbur Wright (2) · Gustav Kerwat (2) · Orville Wright (2) · Achille Bertelli fu Alessandro (2) · Albert Jouveneau (2) · Gaetano Arturo Crocco (2)
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Tech fields:
LTA (30) · Airplane (25) · None (18) · propulsion (17) · navigation (17) · balloon (14) · propeller (14) · Subsystem (13) · design (11) · frame (9) · car (9) · suspension (8) · stability (8) · safety (8) · marine (7) · Steering (7) · gas (6) · electricity (6)
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National tech categories:
IT 8 (30) · None (26) · AT 77d (7) · DE 77h.15 (5) · DE 77h.4 (5) · HU V/h (4) · DE 77h.3 (4) · FR 6.4 (4) · DE 77h (4) · DE 77h.5 (3) · DE 77h.1 (2) · DE 37f.8 (2) · USPC 244/63 (2) · DE 77h.6 (2) · DK 77 (2)
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