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Patents > Office : CH or DE & Tech fields : airplane or propellers & Publication date: 1910 - 1919

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None (16) · Robert Esnault-Pelterie (4) · Louis-Adolphe Hayot (2) · Dane Hurlburt (2) · Gustav Pieske (2) · Carl Wilhelm Paul (2) · Carl Franz Hubert Hertel (2) · Orville Wright (2) · Alexander Baumann (2) · Adalbert Plaček (2)
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None (39) · Robert Esnault-Pelterie (3) · Carl Franz Hubert Hertel (2) · Dane Hurlburt (2) · Carl Wilhelm Paul (2) · Adalbert Plaček (2)
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Showing below up to 83 results in range #1 to #83.

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