Drilldown: Patents
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Patents > Applicant type :
FIRM or
INDIV
& National tech categories :
FR 6.2 or
HU V/h or
USPC 244/90R
& CPCs :
CPC B64C39/005 or
None
& Family year:
1915
& Number of text pages:
2
Use the filters below to narrow your results.
Showing below up to 9 results in range #1 to #9.