Drilldown: Patents
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- Airplane (18)
- Airship (15)
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- Letters (683)
- Organizations (967)
- Patents (17614)
- Person (2149)
- Publications (24569)
- Techtypes (2381)
Patents > Year granted:
1890 - 1899
& Related to aircraft :
.5? or
1911-07-04 or
Yes or
flapping
& CPCs :
CPC B64B1/00 or
CPC B64C2700/6256
& Number of diagram pages:
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.