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Patents > IPCs : IPC A63B41/12 or IPC B64B1/40 & First filing: Yes

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LTA (28) · balloon (9) · stability (9) · navigation (8) · None (6) · propulsion (3) · kite (3) · car (3) · frame (3) · Airship (3) · airfoil (2) · captive (2) · takeoff (2) · hybrid (2) · suspension (2) · descent (2) · gas (2) · rudder (2)
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Showing below up to 35 results in range #1 to #35.

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