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Patents > Applicant person : Alfred E. Wunderlich or John Alexander Colquhoun & Cites these patents: None

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propellers (48) · airplane (45) · hybrid (38) · LTA (34) · rarefaction (10) · Propulsion (9) · Sustentation (8) · ascension (7) · helicopter (4) · None (4) · design (3) · Buoyancy (2) · stability (2) · instrument (2) · ball bearings (2) · control (2) · airship (2) · motors (2) · gliders (2) · compartments (2)
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