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.)
United Carbon Co Inc Maryland
Original Assignee
United Carbon Co Inc Maryland
Filing date
Publication date
Application filed by United Carbon Co Inc MarylandfiledCriticalUnited Carbon Co Inc Maryland
Application grantedgrantedCritical
Publication of AU266161ApublicationCriticalpatent/AU266161A/en
Publication of AU249719B2publicationCriticalpatent/AU249719B2/en