Drilldown: Patents
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Patents > Applicant firm:
None
& Applicant type:
None
& National tech categories
:
FR 6.4
or
USPC 244/45R
or
None
& IPCs:
IPC B64C39/00
& Family year:
1911 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.