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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENRI-LOUIS HERRENSCHMIDT
Original Assignee
HENRI-LOUIS HERRENSCHMIDT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HENRI-LOUIS HERRENSCHMIDTfiledCriticalHENRI-LOUIS HERRENSCHMIDT
Application grantedgrantedCritical
Publication of FR350013ApublicationCriticalpatent/FR350013A/fr
Perfectionnements apportés aux procédés pour chauffer, fondre ou volatiliser diverses substances ou matières applicables notamment à l'extraction des métaux de leurs minerais