Drilldown: Patents
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- Airplane (18)
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- Organizations (967)
- Patents (17619)
- Person (2162)
- Publications (24571)
- Techtypes (2388)
Patents > Year filed:
1916
& Applicant type
:
INDIV
or
А. Нейфельд
& National tech categories
:
FR 6.4
or
USPC 244/153R
& IPCs
:
IPC B64C13/00
or
IPC B64C31/06
or
IPC B64C35/00
or
IPC B64C39/00
& CPCs
:
CPC B60F5/02
or
CPC B64C13/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 3 results in range #1 to #3.