Drilldown: Patents
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Patents > Inventor country
:
CA
or
GB
or
NL
& Applicant type
:
Hermann Burkardt
or
INDIV
& Application number:
None
& Grant date:
1910 - 1919
& Related to aircraft
:
-1
or
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 14 results in range #1 to #14.