Drilldown: Patents
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- Patents (17617)
- Person (2158)
- Publications (24571)
- Techtypes (2383)
Patents > Year granted:
1913
& Office
:
AU
or
BE
or
CA
or
RU
& Related to aircraft:
Yes
& National tech categories:
BE K
& Citations from after 1930:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 8 results in range #1 to #8.