Drilldown: Patents
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Patents > Year filed:
1890
& Inventor country
:
DE
or
FR
& Applicant type
:
Hermann Burkardt
or
INIV
or
LTA
or
Other
& Supplementary to patent:
None
& CPCs:
None
& Family year:
1890 - 1899
& Number of text pages:
1-2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 2 results in range #1 to #2.