Drilldown: Patents
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- Airplane (18)
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- Letters (683)
- Organizations (965)
- Patents (17487)
- Person (2092)
- Publications (24552)
- Techtypes (2364)
Patents > Year filed:
1900 - 1909
& National tech categories :
DE 77h or
USPC 244/48
& IPCs:
IPC B64C39/00
Use the filters below to narrow your results.
airplane (1) ·
car (1) ·
frame (1) ·
gear (1) ·
navigation (1) ·
propeller (1) ·
rudder (1) ·
wheels (1) ·
wings (1)
Showing below up to 2 results in range #1 to #2.