Drilldown: Patents
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Patents > Year filed:
1880 - 1889
& Office
:
DE
or
IN
& Applicant type:
INDIV
& Assigned to:
None
& Number of text pages:
2
& Number of claims:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 2 results in range #1 to #2.