Drilldown: Patents
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Patents > Year granted:
1910 - 1919
& Office :
BE or
NL or
Other
& Inventor country:
US
& Application number:
492890D
& Grant date:
1919
& Related to aircraft :
1 or
Other
& Number of claims:
2-4
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.