Drilldown: Patents
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Patents > Applicant type
:
Hermann Burkardt
or
INDIV
or
INDIV + COMPANY
& Grant date:
1890 - 1899
& Supplementary to patent
:
1
or
None
& CPCs
:
CPC B64B1/40
or
CPC B64C2700/6212
& Number of figures:
5 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.