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 DE9005343Uexternal-prioritypatent/DE9005343U1/en
Application filed by Robert Wilhelm HeiligerfiledCriticalRobert Wilhelm Heiliger
Application grantedgrantedCritical
Publication of ATE99771T1publicationCriticalpatent/ATE99771T1/en