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Patents > Inventors : Albert J. Lockwood or Alfred E. Wunderlich

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propellers (48) · airplane (44) · hybrid (38) · LTA (34) · Rarefaction (10) · propulsion (9) · sustentation (8) · ascension (7) · None (4) · helicopter (4) · design (3) · ball bearings (2) · Buoyancy (2) · airship (2) · compartments (2) · motors (2) · gliders (2) · instrument (2)
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Showing below up to 68 results in range #1 to #68.

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