Drilldown: Patents

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Patents > Filing date: 1910 - 1919 & National tech categories : FR 6.3 or USPC 244/49

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airplane (5) · None (4) · frame (4) · Construction (4) · control (4) · subsystem (3) · structure (3) · stability (3) · marine (3) · wings (3) · Design (3) · steering (2) · Transmission (2) · biplane (2) · navigation (2) · Hydro-aeroplane (2)
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Showing below up to 26 results in range #1 to #26.

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