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.)
Imp Metal & Chemical Co
Original Assignee
Imp Metal & Chemical Co
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
Priority claimed from US06/871,833external-prioritypatent/US4714670A/en
Application filed by Imp Metal & Chemical CofiledCriticalImp Metal & Chemical Co
Application grantedgrantedCritical
Publication of DE3768439D1publicationCriticalpatent/DE3768439D1/en