Drilldown: Patents
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Patents > Application number:
None
& Related to aircraft
:
0.5
or
1912-01-30
or
Yes
& Assigned to:
None
& National tech categories
:
GB 4 propel & steer
or
USPC 244/153R
or
USPC 244/3.23
or
USPC 244/45R
or
USPC 244/80
& Number of text pages:
4-9 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 6 results in range #1 to #6.