Drilldown: Patents
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Patents > Year filed:
1900 - 1909
& Year granted:
1904
& Applicant firm:
None
& IPCs
:
IPC B64C3/00
or
IPC B64C39/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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