Drilldown: Patents
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Patents > Grant date:
May 1911
& Publication date:
1911
& Supplementary to patent
:
Patent BE-1910-05-06-Santo
or
Patent NO-1915-12-15 Carl Alfred Johansson
or
None
& Related to aircraft
:
.5?
or
Yes
& Citations from after 1930:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 9 results in range #1 to #9.