Drilldown: Patents

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Patents > Inventor country : CH or GB or RO & Applicant person: None & Granted: Yes & Patent agent: None & IPCs : IPC B64C11/00 or None & First filing: None

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propulsion (18) · LTA (15) · propeller (12) · navigation (10) · balloon (10) · frame (7) · electricity (6) · design (6) · stability (5) · airplane (5) · subsystem (4) · rudder (4) · heavier-than-air (4) · motor (4)
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Showing below up to 49 results in range #1 to #49.

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