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Patents > Applicant is inventor: Yes & Grant date: 1922 & Number of text pages: 3-11

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Tech fields:
stability (9) · airplane (9) · construction (8) · frame (6) · None (5) · design (5) · fuselage (5) · propeller (4) · rudder (3) · biplane (3) · hydroaeroplane (3) · subsystem (2) · propulsion (2) · propellers (2) · metal (2) · marine (2) · wings (2) · automatic stability (2)
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CPCs:
None (4) · CPC B64C2001/0081 (3) · CPC B64C13/00 (2) · CPC B64C2700/6233 (2) · CPC B64C35/00 (2) · CPC B64C2001/0072 (2) · CPC B64C2001/0063 (2) · CPC B64C3/00 (2) · CPC B64C19/00 (2) · CPC Y02T50/433 (2) · CPC Y02T50/40 (2) · CPC B64C1/00 (2)
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