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Patents > Filing date: 1916 & Number of text pages: 4-6 & Number of diagram pages: 3-20000000

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airplane (7) · construction (5) · None (4) · stability (4) · propellers (3) · HTA (3) · design (3) · biplane (3) · helicopter (2) · adjudicated (2) · Curtiss Aeroplane & Motor Corporation v. United Aircraft Engineering Corporation (2) · wings (2) · ascension (2)
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