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Patents > Applicant person : Alfred John Macy or Herrmann Walkhoff or Johann Schütte

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stability (26) · LTA (19) · Airship (17) · Frame (11) · balloon (10) · Design (8) · balloons (8) · Control (6) · None (5) · Compartments (5) · construction (5) · Propulsion (3) · Propellers (3) · aerostat (3) · Whole (3) · automatic stability (3) · Airplane (3)
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None (13) · 25941D (4) · 1913781506 (2)
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Showing below up to 65 results in range #1 to #65.

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