Drilldown: Patents

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Patents > Applicant person: None & Filing date: 1910 - 1919 & Number of text pages: 3-4 & Number of diagram pages: 2-50000000

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Inventors:
None (20) · Ralph Hazlett Upson (3) · Albert Sugden (2) · Harry Egerton Wimperis (2) · Thomas Augustus Dring (2)
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Tech fields:
airplane (33) · frame (23) · stability (19) · design (11) · LTA (11) · navigation (10) · wheels (9) · biplane (9) · wings (8) · marine (8) · construction (7) · rudder (7) · propeller (7) · gas (7) · propulsion (6) · Hydroaeroplane (6) · safety (6) · airfoil (6) · subsystem (6)
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Application number:
None (23)
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Related to aircraft:
CPCs:
None (12) · CPC B64C17/00 (7) · CPC B64C35/00 (6) · CPC B64C25/06 (3) · CPC B64C13/00 (3) · CPC B64C2700/6295 (3)
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Citations from after 1930:
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