Drilldown: Patents

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Patents > Publication date: 1918 & Number of diagram pages: 0-20

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Inventors:
None (6) · Floris Albert van Heyst (3) · Nicolaas Everhard Groeneveld Meyer (2) · George Lanzius (2) · Heinrich Bier (2)
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Applicant person:
None (15) · Floris Albert van Heyst (3) · Nicolaas Everhard Groeneveld Meyer (2) · George Lanzius (2) · Heinrich Bier (2) · Dr. Cornelis Schoute (2)
Applicant is inventor:
Tech fields:
airplane (16) · frame (11) · construction (8) · design (7) · subsystem (6) · wings (5) · instrument (5) · propellers (5) · navigation (4) · biplane (4) · military (4)
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Citations from after 1930:
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