Drilldown: Patents

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Patents > Number of text pages: 6-7 & Number of diagram pages: 4

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Office:
Inventors:
Alfred John Macy (3) · William Whitney Christmas (2)
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Applicant person:
None (5) · Alfred John Macy (3)
Applicant is inventor:
Tech fields:
airplane (18) · stability (15) · frame (13) · propulsion (10) · design (10) · wings (9) · whole (7) · propeller (7) · Construction (6) · rudder (6) · hybrid (6) · safety (5) · navigation (5) · LTA (5) · None (5) · helicopter (4) · wheels (4) · Propellers (4) · Automatic stability (4)
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Related to aircraft:
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Citations from after 1930:
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