Drilldown: Patents
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Patents > Office :
CA or
DE or
GR or
NO or
US
& Inventor country :
AT or
Brazil or
RU
& Filing date:
1897
& Grant date:
1890 - 1899
& Assigned to:
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.