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 Richard Ing VanecekfiledCriticalRichard Ing Vanecek
Priority to CS877166ApriorityCriticalpatent/CS267494B1/en
Publication of CS716687A1publicationCriticalpatent/CS716687A1/en
Publication of CS267494B1publicationCriticalpatent/CS267494B1/en