Drilldown: Patents
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Patents > Year granted:
1880 - 1889
& Inventor country :
BE or
GB or
HU
& Applicant type :
COMPANY or
COMPANY + INDIV or
INDIV or
UNIV-PRO-GOV
& Number of claims:
3-4
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.