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.)
Nu Calumet And Hecla Inc
Original Assignee
Nu Calumet And Hecla Inc
Filing date
Publication date
Application filed by Nu Calumet And Hecla IncfiledCriticalNu Calumet And Hecla Inc
Application grantedgrantedCritical
Publication of AU1312966ApublicationCriticalpatent/AU1312966A/en
Publication of AU406129B2publicationCriticalpatent/AU406129B2/en