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Patents > Assigned to : John A. Roebling's Sons or Vickers Ltd. or Établissements de Dion-Bouton or None & National tech categories : DE 77 or HU V/h or NL 62 & First filing : Yes or None & Number of figures: 5

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airship (10) · Design (8) · airplane (7) · propellers (5) · Wings (4) · Frame (4) · Propulsion (4) · LTA (4) · Flapping (3) · Infrastructure (3) · Hangars (3) · Wheels (2) · ornithopter (2) · propeller (2) · Whole (2) · Dirigible (2) · construction (2) · Biplane (2)
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