Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (476)
- Event (141)
- Letters (683)
- Organizations (964)
- Patents (17575)
- Person (2118)
- Publications (24564)
- Techtypes (2373)
Patents > Year granted:
1890 - 1899
& Applicant type
:
FIRM
or
Hermann Burkardt
or
INDIV
or
INIV
or
Louis-Marie Le Dantec
or
UNIV-PRO-GOV
& Related to aircraft
:
rudder
or
None
& Number of diagram pages:
1-3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.