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Patents > Year granted: 1920 & Inventor country: US & Number of diagram pages: 2-7

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Tech fields:
None (10) · airplane (8) · stability (5) · propellers (4) · control (4) · wings (4) · navigation (3) · design (3) · biplane (3) · fuselage (3) · LTA (3)
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CPCs:
CPC B64C17/00 (4) · CPC B64C3/00 (3) · CPC B64C13/12 (3) · CPC B64B1/40 (2) · CPC B64C2700/6235 (2) · CPC B64C2700/6295 (2) · CPC B64F2700/6226 (2) · CPC B64C3/56 (2) · CPC B64C11/32 (2) · CPC B64C39/08 (2)
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