Drilldown: Patents

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Patents > Year granted: 1910 & Office : AT or DK or MX or US & Applicant is inventor: Yes & Family year: 1900 - 1999 & First filing: Yes & Citations from after 1930: None & Number of diagram pages: 1-2

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propeller (10) · frame (7) · airplane (6) · rudder (4) · LTA (4) · helicopter (3) · propulsion (3) · hybrid (3) · navigation (2) · design (2) · control (2) · safety (2) · car (2) · Whole (2) · airfoil (2) · windmill (2)
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