Drilldown: Patents
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- Airplane (18)
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- Patents (17618)
- Person (2160)
- Publications (24571)
- Techtypes (2385)
Patents > Year granted:
1910 - 1919
& Office
:
AH
or
CA
or
DE
or
GB
& Applicant type
:
Hermann Burkardt
or
INDIV
or
None
& National tech categories:
DE 77h.15
& First filing:
Yes ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 7 results in range #1 to #7.