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.)
Maurice F. Dufour and Einar T. Carlson Courtney. Simons
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.)
Freeport Minerals Co
Original Assignee
Freeport Sulphur Co
Filing date
Publication date
Application filed by Freeport Sulphur CofiledCriticalFreeport Sulphur Co
Application grantedgrantedCritical
Publication of AU3717758ApublicationCriticalpatent/AU3717758A/en
Publication of AU229570B2publicationCriticalpatent/AU229570B2/en