Drilldown: Patents

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Patents > Year filed: 1916 & Grant date: 1919 & Patent agent: None

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None (20) · airplane (8) · frame (8) · construction (7) · design (6) · LTA (5) · wings (4) · airship (4) · military (4) · texture (2) · subsystem (2) · propellers (2) · projectile (2) · marine (2) · wires (2) · biplane (2)
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Showing below up to 48 results in range #1 to #48.

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