Drilldown: Patents

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Patents > Related to aircraft : .5? or Yes & Patent agent: None & National tech categories : AT 77d or USPC 416/116 & Number of text pages: 2-6

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airplane (22) · frame (12) · construction (10) · propellers (8) · LTA (8) · design (7) · stability (7) · airship (6) · navigation (5) · wings (4) · propulsion (4) · Automatic stability (4) · wheels (4) · aerodynamics (4) · hybrid (4) · control (4)
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