Drilldown: Patents
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Patents > Applicant firm:
None
& Application number
:
1912699135
or
496388D
or
navigation
& Grant date:
November 1913
& National tech categories
:
USPC 244/30
or
USPC 244/80
& CPCs
:
CPC B64C2700/6274
or
CPC B64C2700/6295
or
CPC B64C3/385 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.