Drilldown: Patents

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Patents > Inventor country : NL or VN & First filing: No

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Applicant is inventor:
Tech fields:
airplane (12) · LTA (8) · propeller (6) · None (5) · airfoil (5) · frame (5) · car (3) · Stability (3) · navigation (3) · helicopter (3) · balloon (3) · Wings (2) · Equilibrium (2) · military (2) · Propellers (2) · propulsion (2) · projectile (2) · control (2) · wheels (2)
Full specification filed date:
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Citations from after 1930:
Number of text pages:
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Number of diagram pages:

Showing below up to 30 results in range #1 to #30.

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