Drilldown: Patents
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- Airplane (18)
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- Letters (683)
- Organizations (964)
- Patents (17540)
- Person (2109)
- Publications (24562)
- Techtypes (2373)
Patents > Year granted:
1900 - 1909
& Inventor country
:
AH
or
AU
& National tech categories
:
DE 77
or
FR 5
or
FR 6.4
or
USPC 244/153R
or
USPC 416/197A ![](/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 2 results in range #1 to #2.