Drilldown: Patents

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Patents > Tech fields : Drachen or propellers & First filing: None

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None (7) · Emanuel Kalisch (5) · Louis-Marie Le Dantec (4) · Viktor Tarczal (3) · Henri-Marie Coandă (3) · Gaston Rose (3) · Gabriel Babillot (3) · Louis Constantin (2) · Josef Simkó (2) · John Edward Thompson (2) · Jacob Harvey Trenholm (2) · Hermann Ruthenberg (2) · Giovanni Antonio Salvatico (2) · George Raymond Lawrence (2) · William Edward Pugsley (2) · Edmund Roheim (2) · Charles Algernon Parsons (2) · Alfred E. Wunderlich (2)
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None (15) · Emanuel Kalisch (5) · Louis-Marie Le Dantec (4) · Gabriel Babillot (3) · Viktor Tarczal (3) · Henri-Marie Coandă (3) · Gaston Rose (3) · Josef Simkó (2) · John Edward Thompson (2) · Alfred E. Wunderlich (2) · Jacob Harvey Trenholm (2) · Hermann Ruthenberg (2) · Giovanni Antonio Salvatico (2) · George Raymond Lawrence (2) · William Edward Pugsley (2) · Edmund Roheim (2) · Charles Algernon Parsons (2)
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