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Patents > Year filed: 1909 & Office : BE or CA or NO & Family year: 1900 - 1909

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airplane (29) · propellers (27) · LTA (25) · hybrid (23) · frame (6) · propulsion (5) · Wings (4) · stability (4) · safety (3) · design (3) · flapping (2) · Whole (2) · navigation (2) · mooring (2) · Lift (2) · construction (2) · car (2) · balloon (2)
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Showing below up to 43 results in range #1 to #43.

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