Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Number of diagram pages: 1-2 & Number of figures: 1

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airplane (19) · propeller (10) · design (8) · propulsion (8) · frame (7) · motors (6) · Aerodynamics (6) · Wings (5) · propellers (5) · subsystem (4) · stability (4) · safety (4) · military (4) · construction (4) · gun (3) · Airship (3) · control (3) · LTA (3) · None (3)
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CPCs:
None (13) · CPC B64C17/00 (6) · CPC B64C13/00 (5) · CPC B64C3/00 (4) · CPC B64D7/02 (4) · CPC B64C2001/0063 (3) · CPC B64C2700/6212 (3) · CPC B64C2700/6256 (2) · CPC B64C2700/6218 (2) · CPC B64C1/064 (2)
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Showing below up to 57 results in range #1 to #57.

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