Drilldown: Patents
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Patents > Applicant type:
None
& Filing date:
1864
& Grant date:
1860 - 1869
& Assigned to:
Thenen
& National tech categories :
FR 5 or
FR 6.3
& CPCs :
CPC B64C2700/6274 or
CPC B64C39/00 or
None
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Showing below up to 1 result in range #1 to #1.