Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (480)
- Event (141)
- Letters (683)
- Organizations (966)
- Patents (17614)
- Person (2144)
- Publications (24569)
- Techtypes (2381)
Patents > Related to aircraft :
0? or
Partially
& National tech categories:
None
& CPCs :
CPC B64C11/006 or
CPC B64C2700/6218
& Family year:
1880 - 1889
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.