Drilldown: Patents

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Patents > National tech categories : AT 77d or USPC 244/7R & Family year: 1909

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airplane (13) · stability (7) · design (7) · subsystem (6) · Frame (6) · wings (5) · control (5) · construction (4) · None (4)
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Showing below up to 27 results in range #1 to #27.

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