Drilldown: Patents
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Patents > Year filed:
1860 - 1869
& Office :
GB or
NL or
Other
& Publication date:
1800 - 1899
& National tech categories :
USPC 244/153R or
USPC 244/30 or
None
& Cites these patents :
1912 or
CPC B64B1/00 or
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.