Drilldown: Patents
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Patents > Inventor country
:
GB
or
HU
or
IT
or
NL
& Applicant type
:
COMPANY
or
Hermann Burkardt
or
INDIV
or
UNIV-PRO-GOV
& Grant date:
1890 - 1899
& CPCs:
None
& Number of claims:
3-4 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
bomb (1) ·
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frame (1) ·
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Showing below up to 4 results in range #1 to #4.