Drilldown: Patents
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Patents > Year filed:
1909
& Applicant type
:
AGENT
or
INDIV
or
А. Нейфельд
& Supplementary to patent
:
Patent FR-1909-420322
or
Patent GB-1908-4519
or
None
& CPCs:
CPC B64C35/00
& Number of claims:
2-3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Use the filters below to narrow your results.
Showing below up to 4 results in range #1 to #4.