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 PtacekfiledCriticalJan Ptacek
Priority to CS337675ApriorityCriticalpatent/CS190667B1/cs
Publication of CS190667B1publicationCriticalpatent/CS190667B1/cs