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 SchreierfiledCriticalJan Schreier
Priority to CS250376ApriorityCriticalpatent/CS193725B1/en
Publication of CS193725B1publicationCriticalpatent/CS193725B1/en