Drilldown: Patents

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Patents > Office : ES or FR or GB & Applicant type : AGENT or COMAPNY+INDIV or None & Number of text pages: 4-6000000

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Office: (Click arrow to add another value)
Inventors:
None (2) · Alfred K. R. A. Krakow (2) · Auguste Prouvost (2) · Louis-Amédée Reynal (2)
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Tech fields:
propulsion (18) · LTA (12) · navigation (12) · airplane (9) · propellers (7) · hybrid (6) · propeller (6) · frame (6) · design (5) · stability (5) · airfoil (4) · gas (3) · construction (3) · projectile (3) · piloting (3) · wheels (3)
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Citations from after 1930:
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Showing below up to 46 results in range #1 to #46.

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