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 Jan RybarikfiledCriticalJan Rybarik
Priority to CS858885ApriorityCriticalpatent/CS256730B1/en
Publication of CS888585A1publicationCriticalpatent/CS888585A1/en
Publication of CS256730B1publicationCriticalpatent/CS256730B1/en