Drilldown: Patents

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Patents > Year granted: 1918 & Filing date: 1910 - 1919 & First filing: Yes & Number of text pages: 3-4 & Number of diagram pages: 2-50000000

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None (11) · LTA (3) · Hydroaeroplane (3) · frame (3) · design (2) · safety (2) · propulsion (2) · landing (2) · Hydro-aeroplane (2) · hybrid (2) · hydroplane (2) · wings (2) · airplane (2) · balloon (2)
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