Drilldown: Patents

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Patents > Office : BE or CA & Number of claims: 4-5

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LTA (8) · balloon (6) · Airplane (5) · frame (4) · propulsion (4) · control (4) · Rudder (4) · airship (3) · construction (3) · design (3) · Steering (3) · stability (3) · hybrid (2) · military (2) · Propellers (2) · safety (2) · wings (2) · navigation (2)
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