Drilldown: Patents
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Patents > Inventor country :
BE or
ES or
HU or
IT
& Grant date:
1870 - 1879
& Related to aircraft :
1912-01-30 or
Yes or
yes, Jul 6 1908
& Family year:
1876
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.