Drilldown: Patents

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Patents > Year filed: 1912 & Citations from after 1930: None & Number of claims: 7-8

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None (12) · airplane (5) · construction (3) · stability (3) · safety (3) · Propellers (3) · parachute (3) · LTA (3) · wings (3) · car (2) · automatic stability (2) · design (2) · frame (2) · Propulsion (2)
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