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Patents > Office: DE & Family year: 1917

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None (24) · airplane (13) · instrument (9) · control (9) · design (8) · construction (7) · navigation (7) · frame (7) · propeller (6) · fuselage (6) · wings (6) · rudder (5) · gauge (4) · pressure (4) · biplane (4) · subsystem (4) · engine (4) · steering (4) · ICE (3)
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None (27)
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None (9) · CPC B64C13/00 (9) · CPC B64C3/00 (8) · CPC B64C2700/6235 (6) · CPC B64C2700/6233 (4) · CPC B64C9/02 (3) · CPC B64C3/185 (3) · CPC B64C35/00 (3) · CPC B64B1/64 (2) · CPC B64C2700/6295 (2) · CPC B64C2700/6212 (2) · CPC B64B1/58 (2) · CPC B64C17/00 (2) · CPC G01C9/005 (2) · CPC B64C3/18 (2) · CPC B64F2700/6261 (2) · CPC B64C11/04 (2) · CPC B64C11/34 (2)
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