Drilldown: Patents
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Patents > Year granted:
1920 - 1929
& Office :
BE or
JP or
US
& Applicant type:
INDIV
& CPCs :
CPC B64C2700/6295 or
CPC B64C39/00
& Family year:
1915
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.