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Patents > Inventors : Alfred E. Wunderlich or Wald Gustafson

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propellers (46) · airplane (42) · hybrid (36) · LTA (36) · propulsion (11) · rarefaction (10) · sustentation (8) · ascension (7) · helicopter (4) · human-powered (3) · design (3) · motors (2) · dirigible (2) · gliders (2) · compartments (2) · Buoyancy (2) · ball bearings (2) · airship (2) · wheels (2) · instrument (2)
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Showing below up to 67 results in range #1 to #67.

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