Drilldown: Patents
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Patents > Year filed:
1908
& Office
:
GB
or
GR
or
US
& National tech categories
:
AT 77d
or
BE K
or
USPC 244/80
& First filing:
Yes
& Number of claims:
5-8
& Number of figures:
5-6 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.