Drilldown: Patents
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Patents > Applicant type
:
FIRM
or
Hermann Burkardt
or
INDIV
& Supplementary to patent:
Patent FR-1909-403418
& Related to aircraft
:
1
or
1/2
& IPCs:
IPC B64C39/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.