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 US06/480,027external-prioritypatent/US4611555A/en
Application filed by Burford CorpfiledCriticalBurford Corp
Application grantedgrantedCritical
Publication of ATE40203T1publicationCriticalpatent/ATE40203T1/de