Drilldown: Patents

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Patents > National tech categories : HU V/h or USPC 244/90R & Number of figures: 7-9

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Office:
Inventors:
None (7) · Otto Schüle (2) · Alexander Graham Bell (2) · Antoine-Padoue Filippi (2)
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None (10) · Otto Schüle (2)
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Tech fields:
airplane (32) · design (19) · frame (14) · stability (13) · subsystem (12) · construction (11) · whole (10) · propellers (9) · propulsion (7) · Airship (7) · wings (6) · control (5) · Biplane (5) · Aerodynamics (5) · rudder (5) · flapping (4) · LTA (4) · steering (4)
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None (7)
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Citations from after 1930:
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