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 Kovacik, Vincent SoltysfiledCriticalJan Kovacik
Priority to CS529975ApriorityCriticalpatent/CS179688B1/cs
Publication of CS179688B1publicationCriticalpatent/CS179688B1/cs