Drilldown: Patents
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Patents > Applicant is inventor
:
No
or
Yes
& Grant date:
1911
& National tech categories:
CH 129b
& CPCs
:
CPC B64C23/005
or
CPC B64C2700/6212
or
CPC B64C2700/6256
or
CPC B64C39/005
or
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 8 results in range #1 to #8.