Drilldown: Patents
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Patents > Applicant type
:
Hermann Burkardt
or
None
& Filing date:
1910 - 1919
& Application number:
444419D
& Supplementary to patent:
None
& National tech categories
:
FR 6.4
or
USPC 244/153R
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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