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Patents > Inventors : Alfred E. Wunderlich or Paul-Émile Leuillieux & Granted: Yes

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propellers (47) · airplane (44) · hybrid (38) · LTA (34) · Rarefaction (10) · propulsion (9) · Sustentation (8) · None (7) · ascension (7) · helicopter (4) · design (3) · toy (2) · motors (2) · instrument (2) · gliders (2) · compartments (2) · Buoyancy (2) · airship (2) · ball bearings (2)
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Showing below up to 71 results in range #1 to #71.

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