Drilldown: Patents
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Patents > Year filed:
1900 - 1909
& Office
:
??
or
ES
or
MX
& Applicant is inventor
:
No
or
Yes
& Application number:
None
& IPCs
:
IPC B64B
or
IPC B64C3/54 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.