Drilldown: Patents

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Patents > Office : DE or HU or JP or LU or UN or Other & Patent agent : A. Specht or Marks & Clerk & IPCs : IPC B64B1/00 or None

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navigation (10) · LTA (9) · airplane (9) · stability (7) · propulsion (6) · balloon (6) · wings (5) · rudder (5) · frame (5) · marine (4) · gas (4) · Subsystem (4) · Propellers (3) · steering (3) · design (3) · ballonet (3) · airfoil (3)
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Showing below up to 38 results in range #1 to #38.

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