Drilldown: Patents
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- Airplane (18)
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- Patents (17585)
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Patents > Year filed:
1912
& Filing date:
February 9, 1912
& Supplementary to patent :
Patent FR-1909-420322 or
None
& Related to aircraft :
Partially or
Other or
None
& National tech categories:
USPC 244/72
& Number of claims:
None
& Number of diagram pages:
2-2000
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