Drilldown: Patents
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Patents > Supplementary to patent
:
Patent FR-1908-392672
or
Patent US-1909-970771
or
Patent US-1913-04-21 George Raymond Lawrence
& Related to aircraft
:
-1
or
1/2
or
DE 369478
or
Yes
or
flapping
or
marine
& National tech categories:
FR 6.4
& Number of figures:
2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 5 results in range #1 to #5.