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 Karasek, Vaclav JenistafiledCriticalRichard Karasek
Priority to CS84373ApriorityCriticalpatent/CS242911B1/cs
Publication of CS37384A1publicationCriticalpatent/CS37384A1/cs
Publication of CS242911B1publicationCriticalpatent/CS242911B1/cs