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 Earl K StanleyfiledCriticalEarl K Stanley
Priority claimed from EP88301092Aexternal-prioritypatent/EP0327741B1/de
Application grantedgrantedCritical
Publication of ATE122527T1publicationCriticalpatent/ATE122527T1/de