Drilldown: Patents
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- Airplane (18)
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- Letters (683)
- Organizations (966)
- Patents (17614)
- Person (2147)
- Publications (24569)
- Techtypes (2381)
Patents > Year granted:
1920 - 1929
& Office
:
AT
or
AU
or
CU
or
DE
or
SU
& CPCs
:
CPC B64C3/00
or
CPC B64C39/005
or
None
& Cites these patents:
None
& Number of figures:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
None (3) ·
airplane (1) ·
Bombing (2) ·
frame (1) ·
Industry (2) ·
landing (1) ·
Military (2) ·
propeller (1) ·
propulsion (1) ·
ski (1) ·
snow (1) ·
subsystem (1)
Showing below up to 7 results in range #1 to #7.