Drilldown: Patents
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Patents > Year granted:
1912
& Applicant firm
:
Blackburn Aeroplane and Motor Co.
or
Siemens-Schuckert Werke GmbH
or
Établissements de Dion-Bouton ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 4 results in range #1 to #4.