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Patents > Year filed: 1917 & Year granted: 1920 & Citations from after 1930: None

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Inventors:
None (36) · Paul Schmitt (6) · Lawrence Burst Sperry (2) · Eduard Zaparka (2) · Christian Lorenzen (2) · Alliott Verdon Roe (2)
Inventor country:
Applicant person:
None (41) · Paul Schmitt (6) · HANRIOT (3) · Alliott Verdon Roe (2) · KAWNEER (2) · Lawrence Burst Sperry (2) · MOTEURS SALMSON (2)
Applicant is inventor:
Tech fields:
None (56) · Airplane (24) · design (15) · aerodynamics (10) · wings (9) · frame (9) · biplane (9) · subsystem (8) · propellers (7) · construction (6) · Airship (5) · landing (5) · lift (4) · control (4) · HTA (4) · navigation (4)
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None (27)
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Supplementary to patent:
Related to aircraft:
CPCs:
None (32) · CPC B64C3/00 (13) · CPC B64C2700/6233 (9) · CPC B64C13/00 (8) · CPC B64C23/005 (6) · CPC B64C2700/6256 (6) · CPC B64C39/00 (4) · CPC B64C17/00 (4) · CPC B64C35/00 (3)
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Citations from after 1930:
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