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Patents > Office : CH or CL or LU or NL or NO & Number of figures: 2-4

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Office: (Click arrow to add another value)
Inventors:
None (5) · Joseph Wetterwald (3) · August Riedinger (2) · Floris Albert van Heyst (2) · Nicolaas Everhard Groeneveld Meyer (2) · Carl Franz Hubert Hertel (2) · Carl Wilhelm Paul (2)
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Applicant person:
None (18) · Joseph Wetterwald (3) · Carl Wilhelm Paul (2) · Floris Albert van Heyst (2) · Dr. Cornelis Schoute (2) · Carl Franz Hubert Hertel (2) · Nicolaas Everhard Groeneveld Meyer (2)
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Tech fields:
airplane (22) · propulsion (14) · frame (13) · Subsystem (12) · design (12) · LTA (11) · propellers (10) · Stability (8) · propeller (7) · construction (7) · automatic stability (7) · navigation (5) · Tragfläche (5) · whole (5) · balloon (3) · jet (3) · control (3) · Wings (3) · steering (3)
Full specification filed date:
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Cites these patents:
Citations from after 1930:
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