Drilldown: Patents

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Patents > Publication date: 1919 & Number of text pages: 4-50000000

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Alfred John Macy (7) · None (2) · René-Joseph-Ghislain Straunard (2)
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Tech fields:
stability (11) · airplane (11) · design (6) · propellers (6) · control (6) · frame (4) · Motors (4) · None (4) · automatic stability (4) · marine (3) · whole (3) · Propulsion (3) · Dirigibles (2) · safety (2) · Parachutes (2) · subsystem (2) · LTA (2) · wings (2) · airship (2)
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