Drilldown: Patents
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Patents > Applicant type
:
1
or
Hermann Burkardt
or
INDIV
or
Louis-Marie Le Dantec
& Filing date:
1917
& Granted:
Yes
& Supplementary to patent:
None
& National tech categories
:
IT 8
or
None
& IPCs
:
IPC B64C31/06
or
IPC B64C39/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 5 results in range #1 to #5.