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.)
JR. JAMES W. BULLS and JAMES K. NORMAND EDWIN J. CLAASSEN
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.)
SID RICHARDSON CARBON CO
Original Assignee
SID RICHARDSON CARBON CO
Filing date
Publication date
Application filed by SID RICHARDSON CARBON COfiledCriticalSID RICHARDSON CARBON CO
Application grantedgrantedCritical
Publication of AU1275761ApublicationCriticalpatent/AU1275761A/en
Publication of AU270669B2publicationCriticalpatent/AU270669B2/en