Drilldown: Patents
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- Techtypes (2373)
Patents > Year filed:
1900 - 1909
& Inventor country
:
DE
or
MX
& IPCs
:
IPC B64C23/00
or
IPC B64C3/54
& Cites these patents
:
Patent US-1903-821393
or
None
& Citations from after 1930:
None ![](/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)
![](/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.