Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (964)
- Patents (17542)
- Person (2111)
- Publications (24562)
- Techtypes (2373)
Patents > Year granted:
1911
& Publication date:
1900 - 1999
& Supplementary to patent
:
Patent GB-1909-12556
or
Patent HU-1901-24148
& IPCs
:
IPC B64C31/06
or
None
& Citations from after 1930:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.