Drilldown: Patents

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Patents > Year filed: 1917 & CPCs : CPC B64C2700/6212 or None & Number of text pages: 1-2

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airplane (23) · airship (19) · design (11) · propellers (9) · frame (9) · LTA (9) · subsystem (9) · military (8) · construction (8) · Safety (6) · aerodynamics (6) · gas (5) · Cooling (5) · rigid (5) · Instrument (5) · HTA (4) · biplane (4) · texture (4) · lift (4) · wings (4)
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None (36) · Patent US-1916-1289206 (2)
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Showing below up to 74 results in range #1 to #74.

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