Drilldown: Patents

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Patents > IPCs : IPC B64B1/58 or IPC B64C27/04 & First filing: Yes & Number of claims: 4-5

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LTA (14) · helicopter (8) · propulsion (6) · navigation (5) · airship (4) · frame (4) · construction (3) · None (2) · lift (2) · hybrid (2) · rudder (2) · envelope (2) · balloon (2) · parachute (2)
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Showing below up to 34 results in range #1 to #34.

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