Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES11823ApriorityCriticalpatent/ES11823A2/en
Publication of ES11823A2publicationCriticalpatent/ES11823A2/en
ES11823A1890-03-041890-03-04
Improvements for the direct manufacture of iron and steel, also applicable for the extraction of other metals.
ExpiredES11823A2
(en)