Drilldown: Patents

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Patents > Granted: Yes & Supplementary to patent : Patent FR-1916-502839 or Patent US-1913-04-21 George Raymond Lawrence or None & Patent agent : Boult, Wade & Tennant or Munn & Co. or None & Assigned to : Établissements de Dion-Bouton or None & IPCs : IPC B64C3/18 or IPC B64C39/00

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airplane (12) · None (9) · frame (8) · propulsion (7) · construction (6) · structure (4) · spars (4) · metal (4) · propellers (3) · longerons (2) · design (2) · Wings (2)
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