Drilldown: Patents
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Patents > Year filed:
1896
& Year granted:
1890 - 1899
& Related to aircraft :
-1 or
0? or
Partially or
marine or
Other
& Assigned to:
None
& CPCs:
CPC B64C27/54
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.