Drilldown: Patents

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Patents > Inventor country : BE or ES or NL or RU or US & Applicant is inventor: Yes & National tech categories : FR 5 or NL 62 or USPC 244/30

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Office:
Inventors:
Albert Livingstone Blackman (2) · Lucas Adrianus Aloysius Maria Loonen (2) · Nicolaas Everhard Groeneveld Meyer (2) · Stewart Cairncross (2) · Floris Albert van Heyst (2) · Eugene F. Falconnet (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (8) · Albert Livingstone Blackman (2) · Floris Albert van Heyst (2) · Eugene F. Falconnet (2) · Dr. Cornelis Schoute (2) · Lucas Adrianus Aloysius Maria Loonen (2) · Nicolaas Everhard Groeneveld Meyer (2)
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Tech fields:
LTA (43) · navigation (18) · frame (12) · propulsion (12) · balloon (11) · car (11) · subsystem (8) · airplane (8) · propeller (8) · None (7) · safety (6) · rudder (6) · stability (4) · landing (4) · dirigible (3) · cargo (3) · takeoff (3) · compartments (3)
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Citations from after 1930:
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