Drilldown: Patents
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- Airplane (18)
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- Letters (683)
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- Patents (17614)
- Person (2138)
- Publications (24569)
- Techtypes (2381)
Patents > Year filed:
1900 - 1999
& Full specification filed date:
December 31, 1969
& Application number :
propeller or
wheels
& Supplementary to patent :
1 or
1911-05-09 or
Patent DE-1895-98580 or
Patent FR-1911-430455 or
Patent GB-1909-8531 or
Patent GB-1911-29012
& Related to aircraft:
Yes
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.