Drilldown: Patents

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Patents > Year granted: 1920 & Assigned to: None & Number of figures: 6-7

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airplane (10) · None (8) · frame (8) · design (7) · Construction (6) · Wings (5) · propellers (4) · whole (3) · motors (3) · ascension (2) · propulsion (2) · VTOL (2) · triplane (2) · cables (2) · landing gear (2) · Control (2) · aerial propeller (2) · aerodynamics (2)
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None (6) · CPC B64C3/56 (4) · CPC B64C3/00 (2) · CPC B64C25/64 (2) · CPC B64F2700/6226 (2) · CPC B64C11/04 (2)
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