Drilldown: Patents

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Patents > Office : DE or FR or GR & Tech fields: frame & Granted: Yes & IPCs: None

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None (7) · Oswald François Leopold Keun (4) · Robert Esnault-Pelterie (2) · Hermann Ganswindt (2) · Orville Wright (2) · Adolphe Clément-Bayard (2) · Wilbur Wright (2)
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None (43) · Adolphe Clément-Bayard (2)
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