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.)
Expired - Lifetime
Application number
AU37007/58A
Inventor
Anthes Braendle Harold
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.)
Columbian Carbon Co
Original Assignee
Columbian Carbon Co
Filing date
Publication of AU223086B2publicationCriticalpatent/AU223086B2/en
Application filed by Columbian Carbon CofiledCriticalColumbian Carbon Co