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Patents > Year granted: 1920 & Filing date: 1917 & Number of figures: 2-6

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None (21) · Paul Schmitt (3) · Eduard Zaparka (2) · George W. Bidykoffer (2) · Francis J. Plym (2) · Harold D. Peoples (2)
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Tech fields:
airplane (19) · design (12) · construction (10) · frame (9) · subsystem (8) · propellers (8) · wings (7) · aerodynamics (6) · biplane (6) · HTA (5) · airship (4) · fuselage (4) · landing (4) · propeller (4) · control (4) · lift (3) · Instrument (3) · marine (3) · Motors (3) · propulsion (3)
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CPCs:
None (16) · CPC B64C3/00 (9) · CPC B64C2700/6235 (4) · CPC B64C2700/6233 (4) · CPC B64C13/00 (3) · CPC B64C9/00 (2) · CPC B64C2700/6243 (2) · CPC B64C2001/0063 (2) · CPC B64C3/54 (2) · CPC B64C13/12 (2) · CPC B64C11/36 (2) · CPC B64C11/32 (2) · CPC B64C11/04 (2) · CPC B64C35/00 (2)
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