Drilldown: Patents
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Patents > Applicant is inventor:
No
& Filing date:
1800 - 1899
& Supplementary to patent
:
Patent FR-1891-216860
or
Patent GB-1909-8531
or
None
& Related to aircraft:
Yes
& National tech categories
:
DE 77h.6
or
FR 3
or
FR 5 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 9 results in range #1 to #9.