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.)
George H. Smith and Carl W. Snow Arthur L. Sweigart
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 Company Inc Maryland
Original Assignee
United Carbon Company Inc Maryland
Filing date
Publication date
Application filed by United Carbon Company Inc MarylandfiledCriticalUnited Carbon Company Inc Maryland
Application grantedgrantedCritical
Publication of AU202435B2publicationCriticalpatent/AU202435B2/en
Publication of AU185454ApublicationCriticalpatent/AU185454A/en