Drilldown: Patents

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Patents > Applicant person: None & Grant date: 1920 & Number of claims: 5-50

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airplane (9) · construction (5) · LTA (3) · landing (3) · propeller (3) · biplane (3) · fuselage (3) · design (3) · frame (3) · fabric (2) · motors (2) · navigation (2) · propellers (2) · propulsion (2) · wings (2) · marine (2) · chassis (2)
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Showing below up to 23 results in range #1 to #23.

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