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Patents > Office : CH or NL & Number of figures: 1-3

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Office: (Click arrow to add another value)
Inventors:
None (2) · Floris Albert van Heyst (2) · August Riedinger (2) · Nicolaas Everhard Groeneveld Meyer (2)
Inventor country:
Applicant person:
None (14) · Dr. Cornelis Schoute (2) · Floris Albert van Heyst (2) · Nicolaas Everhard Groeneveld Meyer (2)
Applicant type:
Applicant is inventor:
Tech fields:
Airplane (13) · LTA (11) · frame (10) · propulsion (9) · subsystem (9) · propellers (8) · stability (8) · propeller (8) · design (7) · automatic stability (6) · balloon (5) · Tragfläche (5) · Construction (4) · Wings (4) · navigation (4) · wheels (3) · whole (3)
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Cites these patents:
Citations from after 1930:
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