Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Number of claims: 3 & Number of diagram pages: 1-2

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Tech fields:
airplane (26) · design (12) · frame (12) · wings (11) · None (6) · propulsion (6) · propellers (6) · propeller (5) · subsystem (4) · piloting (4) · military (4) · fuselage (4) · motors (3) · lift (3) · material (3) · biplane (3) · construction (3) · airfoil (3)
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None (14) · CPC B64C3/00 (7) · CPC B64C3/26 (3) · CPC B64C11/36 (3) · CPC B64C3/56 (3) · CPC B64C1/00 (2) · CPC B64C2001/0081 (2) · CPC B64C3/385 (2)
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Showing below up to 58 results in range #1 to #58.

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