Drilldown: Patents
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Patents > Applicant firm:
None
& Grant date:
1919
& IPCs
:
IPC B64C13/00
or
IPC B64C39/00
& CPCs
:
CPC B64C13/00
or
CPC B64C39/003 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
Use the filters below to narrow your results.
1201718 (1) ·
1201818 (1) ·
1703017 (1) ·
2013818 (1) ·
2128718 (1) ·
242618 (1) ·
491705D (1) ·
581318 (1) ·
581418 (1) ·
897817 (1)
Showing below up to 10 results in range #1 to #10.