Drilldown: Patents
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Patents > Office
:
CU
or
GB
& Filing date:
1908
& Related to aircraft
:
.5
or
1
& Assigned to:
None
& CPCs
:
CPC B64B1/00
or
CPC B64C13/00
or
CPC B64C3/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Showing below up to 4 results in range #1 to #4.