Drilldown: Patents
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- Publications (24555)
- Techtypes (2370)
Patents > Year filed:
1900 - 1909
& Office
:
DE
or
MX
or
None
& National tech categories:
DE 77h.3
& IPCs:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 6 results in range #1 to #6.