Drilldown: Patents

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Patents > Tech fields : lift or propeller or propulsion & Application number : hybrid or None & Grant date: 1910 - 1919 & Patent agent : Brandon freres or Dupont et Elluin or Weismann et Marx or None & Number of claims: 1-2

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None (5) · Gabriel Babillot (2) · Oszkár Asbóth (2)
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None (10) · Gabriel Babillot (2)
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Showing below up to 55 results in range #1 to #55.

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