Drilldown: Patents

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Patents > Year granted: 1914 & Number of text pages: 4 & Number of diagram pages: 2-20

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Inventors:
Louis Alard (2) · Nazaire Lacrotte (2) · Thomas Sloper (2) · Ralph Hazlett Upson (2) · Adolf Sprater (2)
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None (5) · Adolf Sprater (2) · Louis Alard (2) · Thomas Sloper (2)
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airplane (11) · stability (10) · None (7) · safety (6) · LTA (5) · frame (4) · balloon (4) · propeller (3) · propellers (3) · control (3) · gas (3) · dirigible (3)
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