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.)
Thomas Samuel Griffin and John Joseph Libera Donald Philip Doll
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.)
NL Industries Inc
Original Assignee
NL Industries Inc
Filing date
Publication date
Application filed by NL Industries IncfiledCriticalNL Industries Inc
Application grantedgrantedCritical
Publication of AU239321B2publicationCriticalpatent/AU239321B2/en
Publication of AU5730760ApublicationCriticalpatent/AU5730760A/en