Drilldown: Patents
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Patents > Office :
BE or
US
& Inventor country:
HU
& Related to aircraft :
1852-08-14 or
1909-11-30 or
Yes
& Assigned to:
None
& Family year:
1900 - 1909
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.