Drilldown: Patents

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Patents > Year granted: 1920 & Applicant is inventor: None & Filing date: 1910 - 1919

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airplane (14) · military (6) · construction (5) · design (4) · frame (3) · Airship (3) · LTA (3) · subsystem (3) · motors (3) · projectile (3) · Industry (2) · marine (2) · takeoff (2) · piloting (2) · fabric (2) · material (2) · landing (2) · compartments (2) · Bombing (2) · Biplane (2)
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