Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : DE or HU & IPCs: None & Family year: 1915

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airplane (20) · frame (12) · construction (11) · design (8) · LTA (7) · military (6) · airship (6) · stability (5) · propellers (4) · gas (4) · subsystem (4) · None (4) · automatic stability (3) · chassis (3) · infrastructure (3) · bomb (3) · fuselage (3) · texture (3)
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