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Patents > Applicant person : Alfred E. Wunderlich or Gustav Mees or William C Young

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propellers (57) · Airplane (53) · hybrid (49) · LTA (34) · None (14) · propulsion (11) · stability (10) · rarefaction (10) · Ascension (10) · helicopter (10) · design (9) · sustentation (8) · gyroscope (8) · propeller (6) · frame (6) · control (5) · takeoff (5) · hydroplane (4)
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Showing below up to 98 results in range #1 to #98.

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