Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Supplementary to patent: None & Number of claims: 16-50

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Tech fields:
airplane (9) · None (7) · stability (6) · fuselage (5) · design (3) · rudder (3) · military (3) · landing (3) · aerodynamics (3) · control (3) · propulsion (2) · navigation (2) · marine (2) · longerons (2) · hydroaeroplane (2) · amerrissage (2) · automatic stability (2) · construction (2)
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CPCs:
CPC B64C17/00 (3) · CPC B64C35/00 (3) · CPC B64C23/005 (2) · CPC B64C3/50 (2) · CPC B64B1/40 (2) · CPC B64C1/00 (2) · CPC B64C39/00 (2) · CPC B64C3/00 (2)
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Citations from after 1930:
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Showing below up to 32 results in range #1 to #32.

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