Drilldown: Patents

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Patents > Filing date: December 31, 1969 & Assigned to: None & IPCs: None

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None (3) · Joachim Heinrich Kronstein (2) · Ramiro de Palacios (2) · Maurice Léger (2) · Charles M. BROWN (2) · Wilhelm Goetjes (2)
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Tech fields:
LTA (11) · military (9) · propulsion (9) · stability (6) · airplane (5) · propeller (5) · helicopter (5) · navigation (5) · kite (4) · Airship (3) · marine (3) · control (3) · brakes (3) · landing (3) · Infrastructure (3) · takeoff (2) · Anchor (2) · Dirigibles (2) · frame (2)
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Showing below up to 76 results in range #1 to #76.

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