Drilldown: Patents

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Patents > Office : GR or US & National tech categories : AT 77d or USPC 244/30 or USPC 244/80 & First filing: Yes & Number of claims: 5-8

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stability (12) · LTA (7) · navigation (6) · None (6) · automatic stability (4) · airplane (4) · frame (4) · propeller (4) · rudder (3) · airfoil (3) · balloon (3) · equilibrium (2) · propulsion (2) · wheels (2) · takeoff (2) · car (2)
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