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.)
SGL Carbon Corp
Original Assignee
Great Lakes Carbon Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Great Lakes Carbon CorpfiledCriticalGreat Lakes Carbon Corp
Priority to FR765497ApriorityCriticalpatent/FR73589E/fr
Application grantedgrantedCritical
Publication of FR73589EpublicationCriticalpatent/FR73589E/fr