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.)
American Zinc Lead and Smelting Co
Original Assignee
American Zinc Lead and Smelting Co
Filing date
Publication date
Application filed by American Zinc Lead and Smelting CofiledCriticalAmerican Zinc Lead and Smelting Co
Application grantedgrantedCritical
Publication of AU6273660ApublicationCriticalpatent/AU6273660A/en
Publication of AU238676B2publicationCriticalpatent/AU238676B2/en