Drilldown: Patents

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Patents > Inventor country : GB or NL & Granted: None & Citations from after 1930: None

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Inventors:
Everard Richard Calthrop (8) · Harold Edward Sherwin Holt (4) · Henri-Marie Coandă (3) · Charles Denniston Burney (3) · Wald Gustafson (2) · Sebastian Ziani De Ferranti (2) · Lucas Adrianus Aloysius Maria Loonen (2)
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Tech fields:
airplane (10) · parachute (6) · None (5) · subsystem (5) · propulsion (5) · navigation (5) · military (5) · LTA (4) · illumination (4) · control (3) · propeller (3) · Hydroaeroplane (3) · propellers (3)
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