Drilldown: Patents
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Patents > Application number
:
1909527784
or
496388D
& National tech categories
:
AT 77d
or
GB 4 propel & steer
or
USPC 244/80
& Family year:
1900 - 1909
& First filing:
Yes
& Number of claims:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.