Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & CPCs: None & Number of text pages: 13-50000000

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Inventors:
Alfred John Macy (4) · Charles Arthur Wragg (2) · De Bert Hartley (2)
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Applicant person:
None (5) · Alfred John Macy (4) · Charles Arthur Wragg (2) · De Bert Hartley (2)
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Tech fields:
airplane (14) · stability (10) · wings (7) · frame (7) · design (6) · propulsion (6) · aerodynamics (5) · propellers (5) · propeller (5) · construction (4) · control (4) · navigation (3) · lift (3) · HTA (3) · flapping (3) · None (3)
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