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Patents > Applicant person : Albert Tribelhorn or Alfred E. Wunderlich

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propellers (48) · airplane (44) · hybrid (38) · LTA (36) · Rarefaction (10) · propulsion (9) · sustentation (8) · ascension (7) · helicopter (4) · airship (4) · navigation (4) · rudder (4) · None (3) · frame (3) · design (3) · construction (3)
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Showing below up to 69 results in range #1 to #69.

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