Drilldown: Patents

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Patents > First filing: None & Citations from after 1930: None & Number of figures: 12-50000000

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Office:
Inventors:
None (3) · George Raymond Lawrence (3) · Jean Francis Webb (3) · Louis Brennan (2) · Ludwig Schmidl (2) · Enrico Forlanini (2) · Ferdinand von Zeppelin (2) · Glenn Hammond Curtiss (2)
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Tech fields:
Airplane (27) · Frame (17) · stability (12) · Design (11) · propulsion (9) · propeller (8) · safety (7) · whole (7) · marine (7) · construction (6) · landing (6) · LTA (6) · parachute (5) · navigation (5) · hybrid (5) · Wings (5)
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Citations from after 1930:

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