Drilldown: Patents
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Patents > Inventor country :
GB or
HU
& Applicant type :
COMPANY or
INDIV or
UNIV-PRO-GOV
& Filing date:
April 1896
& Grant date:
1890 - 1899
& Number of claims:
3-4
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.